ADDIATORS AND

OTHER SLIDE ADDERS

an alphabetical catalogue

Kees Nagtegaal
 Most of the pictures in this non-commercial catalogue

have been taken from www.rechnerlexikon.de .

You can find the owners of the pictures in the spreadsheet-column PICTURE.

The rights of these pictures belong to these owners.

More than a hundred pictures are from my own collection.

Do you have pictures to complete this catalogue, please send me a mail.

Thanks to Friedrich Diestelkamp for his advice.

© 2014, Kees Nagtegaal

Frontpage: Combination of the Addiator Maximator and Speicherwerk

Backpage: Addiator Supra

 ADDIATORS AND
OTHER SLIDE ADDERS
an alphabetical catalogue

Contents:

Pictures ..……………………………… page 4

Characteristics ..……………….….. page 38
Key to symbols ..………………….. page 50
Components .…………………..….. page 52
How to use Addiators ..………… page 54
Links ...……………………………….… page 58
 Ad-Abasub Addiator Add-A-Time Addiator Addiatrix

The Addex Adder Addiator Addfeet Junior Addiator Addimax Duplex

Addiator (Versuchsmodell) Addiator Addi Addiator Addimax Sub-Zero

4
Addiator Addimax Triplex Addiator Arithma Stamezzi Addiator Astro (1)

Addiator Arithma Addiator Arithma A Addiator Astro (2)

Addiator Arithma Sterling Addiator Arithma A Sterling Addiator Basic (1)

5
 Addiator Basic (2) Addiator Basic Sterling (2) Addiator Duplex (1)

Addiator Basic Unis France Addiator Basic-12 Addiator Duplex (2)

Addiator Basic Sterling (1) Addiator Credit Addiator Duplex (3)

6
Addiator Duplex (4) Addiator Duplex (7) Addiator Elsarie (2)

Addiator Duplex (5) Addiator Duplex Sterling Addiator Famos

Addiator Duplex (6) Addiator Elsarie (1) Addiator Fractomator (1)

7
 Addiator Fractomator (2) Addiator Klawun 9 Addiator Maximator

Addiator Hexadat Addiator Ltqs Addiator Speicherwerk

Addiator Maximator Negativ &

Addiator Klawun 9 Universal Speicherwerk Addiator Maximator Negativ

8
 Addiator Merkel-RC Addiator Octadat Addiator Piccolo AEG-Kanis

Addiator Negativ Addiator Perplex Addiator Piccolo bit

Addiator Negativ Sterling Addiator Piccolo Acier Tor Addiator Piccolo Eschler

9
 Addiator Piccolo mis ladrillos Addiator Piccolo Thiemann Addiator Putty Kassenbestand

Addiator Piccolo Petrolad Addiator Piccolo Olympic 1972 Addiator Pythagoras Blitz

Addiator Piccolo REWE Addiator Putty Addiator Quantotar

10
Addiator Rapid (1) Addiator Rupee Addiator Standard (Original)

Addiator Rapid (2) Addiator Sizematic Addiator Standard Sterling

Addiator Rectar Addiator Standard Addiator Sumax

11
 Addiator Suoja Addiator Triplex Addiator Universal (2)

Addiator Supra Addiator Unex Addiator Universal S (1)

Addiator Toto Addiator Universal (1) Addiator Universal S (2)

12
Addiator Valorect Addimult Duplex Addimult Sumat 6

Addifix-6 Addimult Favorit Addimult Sumax

Addifix-9 Addimult Saldor Addimult Sumax-E (1)

13
 Addimult Sumax-E (2) Addimult Summator (2) Addmaster Baby

Addimult Sumax-S Addimult Summator Rupee Addmaster Baby Sterling

Addimult Summator (1) Addimult Supra Addmaster Junior

14
Addmaster Sterling (1) Adnoma Aritmos Mars

Addmaster Sterling (2) Alco Baby Calculator (Chicago) (1)

Adisuma All Baby Calculator (Chicago) (2)

15
 Baby Calculator (Chicago) (3) Blitz

Baby Calculator (Glenview) Business (Master) Castell Addiator 111/54A Bulow

Beta (Swiss made) Castell Addator 67/87 Bulow (small) Castell Addiator 63/98

16
 CBR

Castell Addiator 1/87A Castell Addiator 111/87A Cervello d’ Acciaio

Castell Addiator 67/98Rb Calculator Compact Calculator

17
 Concise !000 Multi Calculator Correntator (3) DA 702 (1)

Correntator (1) Correntator (4) DA 702 (2)

Correntator (2) Correntator(5) DA 702 (EXPO)

18
 Danaddo Ecco Efzet (Silver)

Delta Efficience (1) Efzet (gold)

Dilworth Adder Efficience (2) Exacta

19
 Ex-Ac-To Fedtro Forward 6

Exactus (Large) Fedtro Instamatic Forward 9

Exactus (small) Fingertip Francia

20
 GEM Greener calculator

Gilson Adder Hisabker Rolex HEX Adder

Gray Arithmometer Hora K-Accurator

21
 Kalkometer Kingson Pocket Calculator Kummer

Kaloriemeter Kingson Pocket Calculator Sterling La Populare

Kee-Pa-Count Kopernik Lasku Matti

22
 Mads Magic Brain Calculator (2) Magic Brain Calculator Renown

Magic Brain Calculator (gold) Magic Brain Calculator Chadwick Magic Brain Calculator Vanguard

Magic Brain Calculator (1) Magic Brain Calculator Linemar Magic Brain Calculator Windsor

23
 Marvel Adder Master with Multiscriptor MBC Pocket Calculator (black)

Master (1) Math-Add-Matic MBC Pocket Palculator (3)

Master (2) MBC Pocket Calculator (alu) MBC Pocket Calculator (4)

24
 Mercurio Midget Adding Machine (2) Multi Sum Rapid

Micro Summa Omnia Midget Calculator NU AD Adder

Midget Adding Machine (1) Multi Regnemaskinen O M Original

25
 Obra Omega-9 (1) Omega Pocket Adding Machine

Ofling Omega-9 (2) Pacafic Calculation Machine

Omega -6 Omega-9 (3) Perfect-6 Pocket Adder

26
 PIC PICMA (Elpe) Sterling The Pocket Adding Machine

PIC German Calculator Pilot Adding Machine Pocket Calculator (1)

PICMA (Elge) Plu-Mi (Wilkenson) Pocket Calculator (2) Windsor

27
 Pocket Calculator (3) Produx Produx Add

Pro Calculo ! (1) Produx Sterling (1) Produx M (1)

Pro Calculo! (2) Produx Sterling (2) Produx M (2)

28
Produx M (Eagle) Produx Original Produx Record (2)

Produx MA (black) Produx Original Produx ST

Produx MA (red) Produx Record (1) Progress

29
 Quick Add Raymond Record LM

Rapid Calculo ReBo Renown

Rapid Economy Rebo (Karmannyj, Russian) Ritz Pocket Calculator

30
 Rolls Record Russian Calculator (3) Rychlopoctar (gold)

Russian Calculator (1) Russian Calculator (4) Rychlopoctar (silver)

Russian Calculator(2) Russian Calculator (5) Salda

31
 Score-Ur-Bridge Seehase Sirius

Sears 6 Semplix (1) The Sumaster Adder

Sears 9 Semplix (2) Sum-Fix

32
Summa Rakneapparaten Super Simplex (1) Tarema (1)

Summax Super Simplex (2) Tarema (2)

Super Corona Tappit Pocket Adder Tarema (alu)

33
 Taschenrechner Tip Tower(1)

Tasco Tom Thumb Adding Machine Tower (2)

Time Airtour Totalis Tower-9

34
 Trebla Troncet Arithmographe Ve-Po-Ad

Trick (1) Unic Original Victoria Garnier

Trick (2) Valiant Victoria Rechenapparat

35
 W-Accurator Windsor +-x

W Calculator Wizard (1)

Wembley Wizard (2)

36
Cardboard box of a Baby Calculator

37
 CHARACTERISTICS

COUNTRY

WEIGHT

SUBTR.

PENCIL
BENDS

RESET
PANEL
SIDES

UNITS
PAGE

NAME DIMENSION COLOR MATERIAL DIGITS

4 AD-ABASUB DE 20x13.5x0.4 420 brassy brass S1 P2 DMR11 SU UD BSE RL PS

4 Addex Adder US 12x7,7x0,4 80 gold/black iron S1 P1 DUR9 SA UD BSU RC PS
4 Addiator (versuchsmodell) DE 18.4x7,9x0.7 95 silver/white plastic/alu S1 P2 DDR7 SL UD BRE RL PS
4 Addiator Add-A-Time DE 12.3x7.8x0.4 130 gold/beige brass S2 P1 DUR9 SB UH BRU RL PC1
4 Addiator Addfeet Junior DE 16x4x0.4 35 gold/black brass S1 P2 DMR6 SL UF BRE RL PC1
4 Addiator Addi DE 17x11x0,4 160 yellow/gold iron S1 P1 DUR9 SA UD BSU RL PS
4 Addiator Addiatrix DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BSU RL PC1
4 Addiator Addimax Duplex DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BRU RL PC1
4 Addiator Addimax Sub-Zero DE 16x4x0.4 35 yellow/black iron S1 P2 DDR6 SL UD BRE RL PC1
5 Addiator Addimax Triplex DE 12,3x7,8x0,4 130 Gold/beige brass S2 P1 DUR9 SB UD BRU RL PC1
5 Addiator Arithma DE 16x4x0.4 35 silver/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
5 Addiator Arithma Sterling DE 16x4x0.4 35 gold/black aluminium S1 P2 DMR6 SL US BRE RL PC1
5 Addiator Arithma Stramezzi DE 16x4x0.4 35 silver/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
5 Addiator Arithma A DE 13x8,8x0,4 110 brassy brass S1 P1 DUR10 SN UD BSU RL PS
5 Addiator Arithma A Sterling DE 13x8,8x0,5 111 brassy brass S2 P2 DUR11 SN UD BSU RL PS
5 Addiator Astro (1) DE 12,3x7,8x0,4 140 brassy/black brass S2 P1 DUR9 SB UH BRU RL PC1
5 Addiator Astro (2) DE 12,3x7,8x0,4 130 yellow/beige brass S2 P1 DUR9 SB UH BRU RL PC1
5 Addiator Basic (1) DE 17x11x0,7 140 green/black aluminium S2 P1 DUR9 SB UD BSU RL PS
6 Addiator Basic (2) DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
6 Addiator Basic Uni France FR 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
6 Addiator Basic Sterling (1) DE 17x11x0,7 140 gold/black aluminium S2 P1 DUR9 SB US BSU RL PS
6 Addiator Basic Sterling (2) DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB US BSU RL PS
6 Addiator Basic-12 DE 17x11x0,7 220 brassy brass S2 P1 DUR12 SB UD BSU RL PS
6 Addiator Credit DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
6 Addiator Duplex (1) DE 12,3x7,8x0,4 70 silver/blue aluminium S2 P1 DUR9 SB UD BRU RL PC1
6 Addiator Duplex (2) DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BRU RL PC1
6 Addiator Duplex (3) DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
7 Addiator Duplex (4) DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
7 Addiator Duplex (5) DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BRU RL PC1
7 Addiator Duplex (6) DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
7 Addiator Duplex (7) DE 12,3x7,8x0,5 71 silver/black aluminium S3 P2 DUR10 SB UD BRU RL PC2
7 Addiator Duplex Sterling DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB US BRU RL PC1
7 Addiator Elsarie (1) DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BRU RL PC1
7 Addiator Elsarie (2) DE 17x11x0,4 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
7 Addiator Famos DE 12,3x7,8x0,4 90 gold iron S2 P1 DUR9 SB UD BSU RL PC1
7 Addiator Fractomator (1) DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UF BRU RL PS
8 Addiator Fractomator(2) DE 17x11x0,8 221 brassy brass S3 P2 DUR10 SB UF BRU RL PS
8 Addiator Hexadat DE 6x23x0,4 140 brassy/brown brass S1 P2 DMR6 SL UO BRE RL PS
8 Addiator Klawun 9 Universal DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
8 Addiator Klawun 9 DE 17x11x0,7 70 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PS
8 Addiator Ltqs DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UO BSU RL PS
8 Addiator Maximator DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BRU RL PS
8 Addiator Max/Speicherwerk DE 12,3x7,8x0,4 130 brassy brass S1 P1 DUR9 SN UD BRU RL PC1
8 Addiator Maximator Negativ DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BRU RL PS
9 Addiator Merkel-RC DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BRU RL PC1
9 Addiator Negativ DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BRU RL PS

38
 DIMCODE

PICTURE
PAGE

SIMILAR
NAME FACTORY YEARS
PRODUCTS

4 AD-ABASUB Uhlmann, Berlijn, DE 1920-1930 7A FD

4 Addex Adder Musterland +/- 1935 Ve-Po-Ad 4A TL
4 Addiator (versuchsmodell) Addiator, Wolfach, DE 4A FD
4 Addiator Add-A-Time Addiator, Wolfach, DE 1957-1967 Duplex 4B FD
4 Addiator Addfeet Junior Addiator, Wolfach, DE, Carl Kubler 1950-1990 Arithma 1D FD
4 Addiator Addi Addiator, Berlin, DE 1920-1930 6E FD
4 Addiator Addiatrix Addiator, Berlin, DE 1920-1935 Duplex 4B KN
4 Addiator Addimax Duplex Addiator, Wolfach, DE 1960-1975 Duplex 4B FD
4 Addiator Addimax Sub-Zero Addiator, Wolfach, DE 1960-1970 Arithma 1D FD
5 Addiator Addimax Triplex Addiator, Wolfach, DE 1960-1975 Duplex 4B KN
5 Addiator Arithma Addiator, Berlin, DE 1930-1965 Arithma 1D KN
5 Addiator Arithma Sterling Addiator, Berlin, DE 1930-1966 Arithma 1D KN
5 Addiator Arithma Stramezzi Addiator, Berlin, DE +/- 1960 Arithma 1D ??
5 Addiator Arithma A Addiator, Berlin, DE 1922-1925 5B KN
5 Addiator Arithma A Sterling Addiator, Berlin, DE 1922-1926 5B TL
5 Addiator Astro (1) Addiator Berlin, DE 1938-1957 Duplex 1D FD
5 Addiator Astro (2) Addiator, Wolfach, DE 1957-1965 Duplex 1D KN
5 Addiator Basic (1) Addiator, Berlin, DE, Carl Kubler 1920- Supra 6E KN
6 Addiator Basic (2) Addiator, Berlin, DE, Carl Kubler 1930-1940 Supra 6E KN
6 Addiator Basic Uni France Le Girondin, FR 1923- Supra 6E KN
6 Addiator Basic Sterling (1) Addiator, Berlin, DE 1923- Supra 6E KN
6 Addiator Basic Sterling (2) Addiator, Berlin, DE 1930-1950 Supra 6E KN
6 Addiator Basic-12 Addiator, Berlin, DE 1922-1930 Supra 6E FD
6 Addiator Credit Addiator, Berlin, DE 1930- Supra 6E KN
6 Addiator Duplex (1) Addiator, Berlin, DE 1945-1950 Duplex 4B KN
6 Addiator Duplex (2) Addiator, Wolfach, DE 1950-1970 Duplex 4B KN
6 Addiator Duplex (3) Addiator, Berlin, DE 1930-1940 Duplex 4B KN
7 Addiator Duplex (4) Addiator, Berlin, DE 1930-1940 Duplex 4B ??
7 Addiator Duplex (5) Addiator, Wolfach, DE 1950-1970 Duplex 4B FD
7 Addiator Duplex (6) Addiator, Berlin, DE 1930-1940 Duplex 4B ??
7 Addiator Duplex (7) Addiator, Berlin, DE 1930-1941 Duplex 4B ??
7 Addiator Duplex Sterling Addiator, Wolfach, DE 1950-1970 Duplex 4B KN
7 Addiator Elsarie (1) Addiator, Berlin, DE 1930-1940 Supra 4B KN
7 Addiator Elsarie (2) Addiator, Wolfach, DE 1955-1965 Duplex E6 FD
7 Addiator Famos Addiator, Wolfach, DE 1927-1930 4B FD
7 Addiator Fractomator (1) Addiator, Berlin / Wolfach, DE 1956-1979 Supra 6E FD
8 Addiator Fractomator(2) Addiator, Berlin / Wolfach, DE 1956-1980 Supra 7E FD
8 Addiator Hexadat Addiator, Wolfach, DE 1967-1975 3F KN
8 Addiator Klawun 9 Universal Addiator, Berlin, DE Feinmessinstitut Klawun 1930-1940 Duplex 6E FD
8 Addiator Klawun 9 Addiator, Berlin, DE Feinmessinstitut Klawun 1930-1941 Duplex 6E FD
8 Addiator Ltqs Addiator, DE Supra 6E FD
8 Addiator Maximator Addiator, Berlin, DE 1950-1962 Supra 6E KN
8 Addiator Max/Speicherwerk Addiator, Berlin, DE 1950-1963 Duplex 4B KN
8 Addiator Maximator Negativ Addiator, Berlin, DE 1930- Supra 6E KN
9 Addiator Merkel-RC Addiator, Berlin, DE 1950-1960 Duplex 4B FD
9 Addiator Negativ Addiator, Berlin, DE 1930- Supra 6E FD

39
 COUNTRY

WEIGHT

SUBTR.

PENCIL
BENDS

RESET
PANEL
SIDES

UNITS
PAGE

NAME DIMENSION COLOR MATERIAL DIGITS

9 Addiator Negativ Sterling DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB US BRU RL PS

9 Addiator Octadat DE 15.6x3.7x0.3 60 gold/black brass S1 P2 DDR6 SL UO BRE RL PC1
9 Addiator Perplex DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
9 Addiator Piccolo Acier Tor DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
9 Addiator Piccolo AEG-Kanis DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
9 Addiator Piccolo bit DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
9 Addiator Piccolo Eschler DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Picc. mis ladrillos DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Piccolo Petrolad DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Piccolo REWE DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Piccolo Thiemann DE 16x4x0.4 35 silver/brown aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Piccolo Olympic DE 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
10 Addiator Putty DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BSU RL PC1
10 Addiator Putty Kassenbest. DE 12,3x7,8x0,4 130 brassy brass S2 P1 DUR9 SB UD BSU RL PC1
10 Addiator Pythagore Blitz DE 12,3x7,8x0,4 70 black/ grey aluminium S2 P1 DUR9 SB UD BRU RL PC1
10 Addiator Quantotar DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UO BSU RL PS
11 Addiator Rapid (1) DE 17x11x0,7 220 black/ white iron S2 P1 DUR9 SB UO BRU RL PS
11 Addiator Rapid (2) DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UO BRU RL PS
11 Addiator Rectar DE 16x4x0.4 50 silver/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
11 Addiator Rupee DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UO BSU RL PS
11 Addiator Sizematic DE 23x6x0,4 140 brassy/black brass S1 P2 DMR8 SL UO BRE RL PS
11 Addiator Standard DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BRU RL PS
11 Addiator Standard (Original) DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BRU RL PS
11 Addiator Standard Sterling DE 17x11x0,7 220 black/iron iron S2 P1 DUR9 SB US BRU RL PS
11 Addiator Sumax DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB US BRU RL PC1
12 Addiator Suoja FI 13,4x8,8x0,5 105 blue/red iron S2 P1 DUR9 SB UD BRU RL PS
12 Addiator Supra DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UD BSU RL PS
12 Addiator Toto DE 10,5x4,4x0,4 40 brassy brass S1 P1 DUS4 SN UD BSU RC PC1
12 Addiator Triplex DE 12,3x7,8x0,4 130 gold/green brass S2 P1 DUR9 SB UD BRU RL PC1
12 Addiator Unex DE 12,3x7,8x0,4 70 silver/black aluminium S1 P1 DUR9 SN US BSU RL PC1
12 Addiator Universal (1) DE 16x4x0.4 50 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
12 Addiator Universal (2) DE 16x4x0.4 60 gold/black brass S1 P2 DDR6 SL UD BRE RL PC1
12 Addiator Universal S (1) DE 16x4x0.4 50 gold/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
12 Addiator Universal S (2) DE 16x4x0.4 50 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1
13 Addiator Maximator Valorect DE 17x11x0,7 220 brassy brass S2 P1 DUR9 SB UO BSU RL PS
13 Addifix 6 DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
13 Addifix 9 DE 12,3x8,3x0,5 80 yellow/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
13 Addimult Duplex CH 12,3x8,3x0,5 130 brassy brass S2 P1 DUR9 SB UD BSU RL PC1
13 Addimult Favorit DE 17,1x10,8x0,7 145 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PS
13 Addimult Saldor DE 17,1x10,8x0,7 145 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
13 Addimult Sumat 6 DE 12,3x6x0,5 60 gold/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
13 Addimult Sumax DE 12,3x8,3x0,5 80 brassy brass S2 P1 DUR9 SB UD BSU RL PC1
13 Addimult Sumax-E (1) DE 12,3x8,3x0,5 80 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
14 Addimult Sumax-E (2) DE 12,3x8,3x0,5 80 gold/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
14 Addimult Sumax-S DE 12,3x8,3x0,5 80 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
14 Addimult Summator (1) DE 17,1x10,8x0,7 145 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
14 Addimult Summator (2) DE 17,1x10,8x0,7 145 gold/black brass S2 P1 DUR9 SB UD BRU RL PC1
14 Addimult Summator Rupee DE 17,1x10,8x0,7 145 brassy brass S2 P1 DUR9 SB UO BRU RL PC1
14 Addimult Supra CH 17,1x10,8x0,7 145 brassy aluminium S2 P1 DUR9 SB UD BRU RL PC1
14 Addmaster-Baby DE 12,3x6x0,5 60 gold/black aluminium S2 P1 DUR6 SB UD BSU RL PC1

40
 DIMCODE

PICTURE
PAGE
SIMILAR
NAME FACTORY YEARS
PRODUCTS

9 Addiator Negativ Sterling Addiator, Berlin, DE 1930- Supra 6E FD

9 Addiator Octadat Addiator, Wolfach, DE 1965-1970 1D FD
9 Addiator Perplex Addiator Berlin, DE 1920-1930 Duplex 4B KN
9 Addiator Piccolo Acier Tor Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
9 Addiator Piccolo AEG-Kanis Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
9 Addiator Piccolo bit Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
9 Addiator Piccolo Eschler Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
10 Addiator Picc. mis ladrillos Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
10 Addiator Piccolo Petrolad Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
10 Addiator Piccolo REWE Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D KN
10 Addiator Piccolo Thiemann Addiator, Berlin / Wolfach, DE 1960-1975 Arithma 1D FD
10 Addiator Piccolo Olympic Addiator, Berlin / Wolfach, DE 1972 Arithma 1D FD
10 Addiator Putty Addiator, Berlin, DE 1925-1930 Duplex 4B KN
10 Addiator Putty Kassenbest. Addiator, Berlin, DE 1925-1939 Duplex 4B FD
10 Addiator Pythagore Blitz Addiator, Wolfach, DE 1965-1975 Duplex 4B FD
10 Addiator Quantotar Addiator, Berlin, DE 1924-1930 Supra 6E FD
11 Addiator Rapid (1) Addiator, Berlin, DE 1935-1955 Supra 6E FD
11 Addiator Rapid (2) Addiator, Berlin, DE 1935-1955 Supra 6E FD
11 Addiator Rectar Addiator, Berlin, DE 1930-1935 Arithma 1D FD
11 Addiator Rupee Addiator, Berlin, DE 1926-1935 Supra 6E FD
11 Addiator Sizematic Addiator, Wolfach, DE 1970-1980 3F KN
11 Addiator Standard Addiator, Berlin, DE 1933-1960 Supra 6E KN
11 Addiator Standard (Original) Addiator, Berlin, DE 1933-1960 Supra 6E FD
11 Addiator Standard Sterling Addiator, Berlin, DE 1933-1960 Supra 6E FD
11 Addiator Sumax Addiator, Berlin, DE 1920-1940 Duplex 4B FD
12 Addiator Suoja Suoja, Helsinki, FI 1948 5B FD
12 Addiator Supra Addiator, Berlin, DE 1925- Supra 6E KN
12 Addiator Toto Addiator, Berlin, DE 1930-1960 2A KN
12 Addiator Triplex Addiator, Berlin, DE 1955-1960 Duplex 4B KN
12 Addiator Unex Addiator, Berlin, DE 1925-1935 Duplex 4B KN
12 Addiator Universal (1) Addiator, Berlin/ Wolfach, DE 1930-1965 Arithma 1D KN
12 Addiator Universal (2) Addiator, Berlin/ Wolfach, DE 1930-1965 Arithma 1D KN
12 Addiator Universal S (1) Addiator, Berlin/ Wolfach, DE 1930-1965 Arithma 1D FD
12 Addiator Universal S (2) Addiator, Berlin/ Wolfach, DE 1930-1965 Arithma 1D FD
13 Addiator Maximator Valorect Addiator, Berlin, DE 1930- Supra 6E FD
13 Addifix 6 Addimult, DE, Hans-Wolfg. Kubler, Neckermann !960-1970 Sumax 3B ??
13 Addifix 9 Addimult, DE, Hans-Wolfg. Kubler, Neckermann !960-1970 Sumax 4B FD
13 Addimult Duplex Addimult ,made in costom territory of Switserland 1946-1947 Duplex 4B ??
13 Addimult Favorit Addimult, Bad Harzburg, DE 1950-1960 Sumax 6E FD
13 Addimult Saldor Addimult, DE 1950-1960 6E KN
13 Addimult Sumat 6 Addimult, DE, Hans-Wolfgang Kubler 1950-1970 Sumax 3B TL
13 Addimult Sumax Addimult, DE, Hans-Wolfgang Kubler 1951-1970 Sumax 4B KN
13 Addimult Sumax-E (1) Addimult, DE, Hans-Wolfgang Kubler 1951-1970 Sumax 4B KN
14 Addimult Sumax-E (2) Addimult, DE, Hans-Wolfgang Kubler 1951-1972 Sumax 4B KN
14 Addimult Sumax-S Addimult, DE, Hans-Wolfgang Kubler 1951-1973 Sumax 4B KN
14 Addimult Summator (1) Addimult, DE, Hans-Wolfgang Kubler +/- 1955 Supra 6E KN
14 Addimult Summator (2) Addimult, DE, Hans-Wolfgang Kubler +/- 1955 Supra 6E FD
14 Addimult Summator Rupee Addimult, DE, Hans-Wolfgang Kubler +/- 1955 Supra 6E FD
14 Addimult Supra Addimult, CH 1946/1947 Supra 6E FD
14 Addmaster-Baby Addimult DE 1950-1965 Addimult 3B KN

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14 Addmaster Baby Sterling DE 12,3x6x0,5 60 gold/black aluminium S2 P1 DUR6 SB US BSU RL PC1

14 Addmaster-Junior DE 12,3x8,3x0,5 80 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
15 Addmaster Sterling (1) DE 17X11X0,7 250 brassy brass S2 P1 DUR9 SB US BRU RL PS
15 Addmaster Sterling (2) DE 17X11X0,7 140 silver/ black aluminium S2 P1 DUR9 SB US BRU RL PS
15 Adisuma DE 11,9x6,5x0,4 90 black iron S1 P1 DUR7 SS UD BSU RL PS
15 Adnoma DE 19x11x4,5 560 blue/gold brass S1 P1 DDR9 SS UD BSU RH PS
15 Alco JA 16x4x0.4 35 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
15 All BE 24x16x10 1800 silver/green aluminium S1 P1 DUR9 SN UD BRU RH PS
15 Aritmos Mars PO 15,3x9,6x0,7 180 silver/black aluminium S1 P1 DMR9 SU UD BSI RL PS
15 Baby Calc. (Chicago)(1) US 14,6x7,5x0,9 140 red/silver aluminium S1 P1 DUS7 SN UD BSU RC PS
15 Baby Calc. (Chicago)(2) US 14,6x7,5x0,9 140 black/silver aluminium S1 P1 DUS7 SN UD BSU RC PS
16 Baby Calc. (Chicago)(3) US 14,6x7,5x0,9 140 black/gold aluminium S1 P1 DUS7 SN UD BSU RC PS
16 Baby Calculator (Glenview) US 14,1x8,2x0,8 140 silver/black tin/plastic S1 P1 DUS9 SN UD BST RC PS
16 Beta CH 12x7x0,8 130 brass/black brass S2 P1 DUS9 SB UD BSU RL PS
16 Blitz Taschenrechenmasch. AT 13,4x5x0,1 30 white/black iron S1 P2 DDR6 SU UD BN RP PS
16 Business BE 15,6x12,1x0,8 500 blck/red iron/wood S1 P1 DUR9 SN UD BSU RL PS
16 Castell-Add. 67/87 Bulow DE 16x4x0.4 50 white/black plastic S1 P2 DDR6 SL UD BRE RL PC1
16 CastellAdd. 111/54A Bulow DE 30x4,9x0,9 180 white/blk/red plastic S1 P2 DDR6 SL UD BRE RL PC1
16 Castell-Addiator 63/98R DE 16x4x0.4 50 silver/blck aluminium S1 P2 DDR6 SL UD BRE RL PC1
17 Castell-Addiator 1/87A DE 30x4,3x1,4 200 white/black wood/alum. S1 P2 DDR6 SL UD BRE RL PC1
17 Castell-Addiator 67/98 Rb DE 16x4x0.4 50 silver/blck aluminium S1 P2 DDR6 SL UD BRE RL PC1
17 Castell-Addiator 111/87A DE 30x4,2x0,9 110 silver/black alu/plasic S1 P2 DDR6 SL UD BRE RL PC1
17 Calculator (Japan) JA 14x6,5x0,8 60 gold/white tin/plastic S1 P1 DUS7 SA UD BST RL PC4
17 CBR CBR DE 14,5x12,6x0,5 400 gold/black brass S1 P1 DUR12 SN UD BN RP PS
17 Cervello d' Acciaio IT 14,1x7,1x0,5 65 brass/black brass S1 P2 DMR8 SU UD BSM RL PS
17 Compact Calculator JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
18 Concise 1000 JA 10,6x7x0,2 white/black plastic S1 P2 DDS9 SU UD BSU RP PS
18 Correntator (1) DE 15,5x12x0,6 340 gold/black brass S1 P1 DUR9 SS UD BSU RL PS
18 Correntator (2) CH 15,5x12x0,6 260 silver/black aluminium S1 P1 DUR9 SS UD BSU RL PS
18 Correntator (3) CH 15,5x12x0,6 340 gold/black aluminium S1 P1 DUR9 SS UD BSU RL PS
18 Correntator (4) DE 10,5x7x0,3 85 gold/black brass S1 P1 DUR9 SS UD BSU RL PS
18 Correntator (5) DE 10,5x7x0,3 85 gold/black brass S1 P1 DUR9 SS UD BSU RL PS
18 DA 702 (1) BE 15,5x12x1,4 470 silver/red tin/iron S1 P1 DUR9 SN UD BSU RH PI
18 DA 702 (2) BE 24x16x10 1600 silver/red tin/iron S1 P1 DUR9 SN UD BSU RH PI
18 DA702 (Expo) BE 15,5x12x1,4 470 beige/red tin/iron S1 P1 DUR9 SN UD BSU RH PI
19 Danaddo DK 14,8x12,4x0,6 220 silver/red aluminium S1 P1 DUR9 S UD BSU RL PS
19 Delta US 14,6x7,5x0,9 140 black/gold aluminium S1 P1 DUS7 SN UD BSU RC PS
19 Dilworth Adder US ????????? ??? ???????? ??????? S1 P2 DMR9 SL UD BN RP PS
19 Ecco DE 10,9x8x0,2 10 beige/brown celluloid S1 P1 DUR7 SN UD BN RP PS
19 Efficience (1) BE 15,5x12x1,4 470 silver/brown tin/iron S1 P1 DUR9 SN UD BSU RH PS
19 Efficience (2) BE 24x16x10 1800 white/rose aluminium S1 P1 DUR9 SN UD BRU RH PS
19 EFZET (silver) DE 11,6x5,7x0,3 45 silver/black iron S1 P2 DMR8 SU UD BSI RB PS
19 EFZET (gold) DE 11,6x5,7x0,3 45 gold/black iron S1 P2 DMR8 SU UD BSI RB PS
19 Exacta (I.A.M.) DE 11,6x5,7x0,3 45 gold/black iron S1 P2 DMR8 SU UD BSI RB PS
20 Exacto US 12x7,7x0,4 105 black/gold iron S! P1 DUR9 SN UD BSU RC PS
20 Exactus Mini-Add UK 10,5x7x0,4 55 silver/black aluminium S1 P1 DUR9 SS US BST RL PC2
20 Exactus Mini-Add UK 16x12x0,6 240 silver/black aluminium S1 P1 DUR9 SS US BST RL PS
20 Fedtro JP 14x7,5x0,8 80 Yellow/black alu/plasic S1 P1 DUS8 SA UD BST RL PC2
20 Fedtro Instamatic JP 14x7,5x0,8 80 silver/black alu/plasic S1 P1 DUS8 SA UD BST RL PC2
20 Fingertip US 12x7,7x0,4 80 yellow/black iron S1 P1 DUR9 SN UD BSU RC PS

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NAME FACTORY YEARS
PRODUCTS

14 Addmaster Baby Sterling Addimult DE 1950-1965 Addimult 3B KN

14 Addmaster-Junior Addimult DE 1950-1965 Addimult 4B FD
15 Addmaster Sterling (1) Addimult DE 1950-1965 Addimult 6E TL
15 Addmaster Sterling (2) Addimult DE 1950-1965 Addimult 6E DE
15 Adisuma Salda 3A FD
15 Adnoma +/- 1930 6FX FD
15 Alco 1960-1970 Arithma 1D KN
15 All Master, Bruxelles, BE 1930-1940 Master 7HX VD
15 Aritmos Mars Szyldy, Poznan, PL 5D WI
15 Baby Calc. (Chicago)(1) (Baby)Calculator Machine Co. Chicago, US 1920-1940 4C KN
15 Baby Calc. (Chicago)(2) (Baby)Calculator Machine Co. Chicago, US 1920-1940 4C FD
16 Baby Calc. (Chicago)(3) (Baby)Calculator Machine Co. Chicago, US 1920-1940 4C KN
16 Baby Calculator (Glenview) Baby Calculator Machine Co. Glenview, US Magic Brain Calc. 4C KN
16 Beta 3B FD
16 Blitz Taschenrechenmasch. Kosmos (?), Wien, AT +/- 1920 2B FD
16 Business Master, Bruxelles, BE 1925-1935 7D KN
16 Castell-Add. 67/87 Bulow Addiator/ Fabel-Castell, DE, Willy Bulow 1950- 1DS PH
16 CastellAdd. 111/54A Bulow Addiator/ Fabel-Castell, DE, Willy Bulow 1950- 2HS PH
16 Castell-Addiator 63/98R Addiator/ Fabel-Castell, DE (63/**R) 1935-1943 **or 22 or39 or87or91 1DS PH
17 Castell-Addiator 1/87A Addiator/ Fabel-Castell, DE (1/**A) 1952-1976 ** or 22 or 54 2HS PH
17 Castell-Addiator 67/98 Rb Addiator/ Fabel-Castell, DE ( 67/**R or 67/**Rb) 1947-1975 ** or 22 or 54 or 98 1DS KN
17 Castell-Addiator 111/87A Addiator/ Fabel-Castell, DE (111/**A) 1952-1975 ** or 22 or 54 2HS KN
17 Calculator (Japan) 1960-1975 Magic Brain Calc. 3C KN
17 CBR CBR 7C FD
17 Cervello d' Acciaio 1950-1960 Ofling ?? UM
17 Compact Calculator 1960-1970 Magic Brain Calc. 4C KN
18 Concise 1000 Concise, JA 3AS KU
18 Correntator (1) CBR, Continentale Büro-Reform Jean Bergmann 1924-1935 7D KN
18 Correntator (2) Unical, S.Hohler, Basel, CH 1945- 7D KN
18 Correntator (3) Unical, S.Hohler, Basel, CH 1945- 7D KN
18 Correntator (4) CBR, Continentale Büro-Reform Jean Bergmann 1924-1935 3A KN
18 Correntator (5) CBR, Continentale Büro-Reform Jean Bergmann 1924-1935 3A KN
18 DA 702 (1) Master, Bruxelles, BE 1950-1960 Master 7D ??
18 DA 702 (2) Master, Bruxelles, BE 1950-1960 Master 7HX ME
18 DA702 (Expo) Master, Bruxelles, BE 1958 Master 7D KN
19 Danaddo 1950-1960 7C FD
19 Delta Baby Calculator Machine Co., Chcago, US Baby Calculator 4C FD
19 Dilworth Adder Dilworth Adder Co. Pittsburg US from 1904 ?? ??
19 Ecco 4A FD
19 Efficience (1) Master, Bruxelles, BE 1930-1940 Master 7D FH
19 Efficience (2) Master, Bruxelles, BE 1930-1940 Master 7HX ME
19 EFZET (silver) Produx, DE FZ= Franz Zimmer (Otto Meuter) 1930-1940 Produx 3A KN
19 EFZET (gold) Produx, DE FZ= Franz Zimmer (Otto Meuter) 1930-1940 Produx 3A KN
19 Exacta (I.A.M.) I.A.M. Barcelona, SP (Otto Meuter) 3A KN
20 Exacto Ve-Po-Ad 4B ??
20 Exactus Mini-Add Exactus Ltd, London, GB. (Unical) 1950-1960 3A KN
20 Exactus Mini-Add Exactus Ltd, London, GB. (Unical) 1950-1960 7D KN
20 Fedtro 1960-1970 Magic Brain Calc. 4C KN
20 Fedtro Instamatic 1960-1970 Magic Brain Calc. 4C KN
20 Fingertip Fingertip System Co, Kansas City, US from 1936 Ve-Po-Ad 4B JH

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20 Forward 6 DE 12,2x6x0,4 80 silver/black aluminium S2 P1 DUR6 SB UD BRU RL PS

20 Forward 9 DE 12,2x8,3x0,6 silver/black aluminium S2 P1 DUR6 SB UD BRU RL PS
20 Francia FR 14,3x8,7x0,4 140 brassy/black brass S1 P1 DUR9 SN UD BSU RL PS
21 GEM Calculator (Guthrie) UK 22x10,5x0,7 70 grey wood/ S1 P1 DLR5 SN US BSU RM PS
21 Gilson US 15x9,8x0,8 165 silver/black aluminium S1 P1 DDR8 SA UD BN RM PS
21 Gray US 13,6x7,6x0,5 170 silver iron S1 P1 DLR9 SS UD BST RC PS
21 Greener US 20x5x?? ??? silver iron S1 P1 DIR6 SS UF BST RC PS
21 Hisabker Rolex IN 17x11x0,8 270 brass/black brass S2 P1 DUR9 SB UO BSU RL PS
21 Hora FR 18x12x0,8 brass/black brass S2 P1 DUR9 SB UH BSU RL PS
21 HEX adder US 24,1x3,8x0,4 40 silver/black aluminium S1 P2 DMR6 SL UO BRE RL PC1
21 K-Accurator DE 16x4x0.4 35 silver/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
22 Kalkometer US 14x8,1x0,8 100 grey/black alu/plasic S1 P1 DUR8 SA UD BSU RP PS
22 Kaloriemeter DE 15x6x0,1 15 beige plastic S1 P1 DUS4 SN UD BN RP PS
22 Kee-Pa-Count US 20x12x2 ?? brown/gold tin S1 P1 DUR9 SN UO BSU RL PS
22 Kingson Pocket Calculator DE 16x4x0.4 50 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
22 Kingson Sterling DE 16x4x0.4 35 silver/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
22 Kopernik PL 15x9,6x0,7 180 silver/black aluminium S1 P2 DMR9 SU UD BRI RL PS
22 Kummer RU 10,7x6,5x2,5 65 beige cardboard S1 P2 DMR8 SL UD BRI RP PS
22 La Populare IT 19,8x8x0,8 300 gold/black messing S1 P1 DUR9 SN UD BN RP PS
22 Lasku-Matti DE 12,3x7,8x0,4 70 silver/black aluminium S2 P1 DUR9 SB UD BRU RL PC1
23 MADS BE 22,9x11,9x0,8 530 gold/black messing S1 P2 DUR9 SL UD BSE RL PS
23 Magic Brain Calc. (gold) JA 14x6,5x0,8 60 gold/white tin/plastic S1 P1 DUS7 SA UD BST RL PC4
23 Magic Brain Calculator (1) JA 14x6,5x0,8 60 silver/black tin/plastic S1 P1 DUS7 SA UD BST RL PC4
23 Magic Brain Calculator (2) JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
23 Magic Brain Calc Chadwick JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
23 Magic Brain Calc. LineMar JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
23 Magic Brain Calc. Renown JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
23 Magic Br.Calc.Vanguard JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
23 Magic Br.Calc.Windsor JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
24 Marvel Adder US 14,6x7,5x0,9 140 black/gold aluminium S1 P1 DUS7 SN UD BSU RC PS
24 Master (1) BE 24x16x10 2600 silver/green cast-iron S1 P1 DUR9 SN UD BSU RH PS
24 Master (2) BE 24x16x10 2600 silver/green cast-iron S1 P1 DUR9 SN UD BSU RH PS
24 Master with Multiscriptor BE 24x16x10 1600 gld/red/brwn cast-iron S1 P1 DUR9 SN UD BSU RH PS
24 MATH-ADD-MATIC DE 16x4x0.4 45 Yellow/black iron S1 P2 DMR6 SL UD BRE RL PC1
24 MBC Pocket Calc. (Alu) JA 12,6x8,3x0,4 95 silver/black aluminium S1 P1 DUR9 SA UD BST RL PS
24 MBC Pocket Calc.(black)) JA 12,6x8,3x0,4 black iron S1 P1 DUR9 SA UD BST RL PS
24 MBC Pocket Calculator (3) JA 14x7,4x0,8 75 silver/black alu/plasic S1 P1 DUS8 SA UD BST RC PS
24 MBC Pocket Calculator (4) DE 16x4x0.4 56 silver/black iron S1 P2 DMR6 SL UD BRE RL PC1
25 Mercurio AR 11,6x6,5x0,4 75 silver iron S1 P1 DUR7 SA UD BSU RC PS
25 Micro Summa Omnia IT 11,3x4,4x0,8 20 white plastic S! P1 xxxxx SN UD xxx RB PS
25 Midget Adding Machine (1) US 12,1x7,7x0,3 85 Yellow/black iron S! P1 DUR9 SN UD BSU RC PS
25 Midget Adding Machine (2) US 12,1x7,7x0,3 85 Yellow/black iron S! P1 DUR9 SN UD BSU RC PS
25 Midget Calculator JA 10,2x7,2x0,0,4 70 black/silver aluminium S1 P1 DUR9 SS UD BSU RL PC2
25 Multi Regnemaskinen DK 14,6x7,5x0,9 115 green/beige iron S1 P1 DUR7 SN UD BSU RC PS
25 Multi Sum Rapid US 12x7,7x0,4 80 gold/black iron S1 P1 DUR9 SN UD BSU RC PS
25 NU AD Adder US 12x7,7x0,4 80 yellow/black iron S1 P1 DUR9 SN UD BSU RC PS
25 O M Original DE 17,3x8x0,5 95 green/gold alu/plasic S1 P2 DDR9 SU UD BSI RL PC1
26 OBRA DE 16,9x7,8x0,4 111 gold iron S1 P1 DER9 SL UD BSU RL PS
26 Ofling SP 14,4x6,3x0,4 95 silver iron S1 P2 DMR8 SU UD BSI RL PS
26 Omega-6 HK 16x4x0.4 35 silver/green aluminium S1 P2 DMR6 SL UD BRE RL PC1

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NAME FACTORY YEARS
PRODUCTS

20 Forward 6 Addimult (Hans-Wolfgang Kubler) +/- 1960 Addimult 3B KN

20 Forward 9 Addimult (Hans-Wolfgang Kubler) +/- 1960 Addimult 4B JH
20 Francia Unis France, Elpe, Paris, FR (Le Girondin) +/- 1926 5C KN
21 GEM Calculator (Guthrie) Arter, Dixon & Co, London, GB from 1890 6H FD
21 Gilson Gilson Slide Rule Co, Niles, Mich., US ca 1923 Ecco 5D FD
21 Gray Gray Arithmometer Corp.Ithaca, US Trick 4C FD
21 Greener Bellevue, Pittsburg, US (Eugene R. Greener) +/- 1922 2GX BN
21 Hisabker Rolex Addimult ??, IN 1957-1964 Supra 6E JH
21 Hora Le Girondin,Paris, FR, Comptoir ELPE +/- 1922 7F ??
21 HEX adder Hexco Inc. Houston, US from 1968 1H FD
21 K-Accurator Arithma 1D KN
22 Kalkometer 1960-1970 Magic Brain Calc. 4C KN
22 Kaloriemeter Erna Huttenlocher Hemmingerberg, DE +/- 1967 3D KN
22 Kee-Pa-Count Kee-Pa_Count, Chicago, US 1942-1949 7G JH
22 Kingson Pocket Calculator Kingson, HK 1960-1970 Arithma 1DS KN
22 Kingson Sterling Kingson, HK 1960-1970 Arithma 1D KN
22 Kopernik szyldy, Totun, PL 5D ??
22 Kummer (Heinrich Kummer) From 1850 3A ??
22 La Populare P.E.Gallo, Milano, IT From 1922 4F FD
22 Lasku-Matti Duplex 4B TL
23 MADS 1920-1930 Magic Brain Calc. 7H KN
23 Magic Brain Calc. (gold) 1960-1975 Magic Brain Calc. 3C KN
23 Magic Brain Calculator (1) 1960-1975 Magic Brain Calc. 3C KN
23 Magic Brain Calculator (2) 1960-1975 Magic Brain Calc. 4C KN
23 Magic Brain Calc Chadwick 1960-1975 Magic Brain Calc. 4C KN
23 Magic Brain Calc. LineMar 1960-1975 Magic Brain Calc. 4C KN
23 Magic Brain Calc. Renown 1960-1975 Magic Brain Calc. 4C KN
23 Magic Br.Calc.Vanguard 1960-1975 Magic Brain Calc. 4C KN
23 Magic Br.Calc.Windsor 1960-1975 Magic Brain Calc. 4C KN
24 Marvel Adder Baby Calculator 4C ??
24 Master (1) Master, Bruxelles, BE 1930-1940 Master 7HX KN
24 Master (2) Master, Bruxelles, BE 1930-1940 Master 7HX ME
24 Master with Multiscriptor Master, Bruxelles, BE 1930-1940 Master 7HX KN
24 MATH-ADD-MATIC +/- 1960 Arithma 1D FD
24 MBC Pocket Calc. (Alu) +/- 1960 Exactus-mini-add 4B KN
24 MBC Pocket Calc.(black) +/- 1960 4B JH
24 MBC Pocket Calculator (3) +/- 1960 Magic Brain Calc. 4C JH
24 MBC Pocket Calculator (4) +/- 1960 Arithma 1D JH
25 Mercurio 3A JH
25 Micro Summa Omnia Sascol European, Rome, IT (Ditta Sassu) +/- 1957 2A FD
25 Midget Adding Machine (1) 1930-1950 3B KN
25 Midget Adding Machine (2) 1930-1950 3B KN
25 Midget Calculator Exactus-mini-add 4A ??
25 Multi Regnemaskinen 4D KN
25 Multi Sum Rapid Ve-Po-Ad 4B JH
25 NU AD Adder Ve-Po-Ad , Kansas City, US Ve-Po-Ad 4B FD
25 O M Original Otto Meuter, DE 1955-1960 4E KN
26 OBRA Otto Brabant, Berlin, DE 1920-1930 Ofling 4E JH
26 Ofling 3C JH
26 Omega-6 Wescosa, Campbell, California, US from 1964 Aruthma 1D KN

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26 Omega-9 (1) HK 16x5,4x0,5 55 silver/green aluminium S1 P2 DMR9 SL UD BRE RL PC1

26 Omega-9 (2) HK 16x5,4x0,5 55 silver/black aluminium S1 P2 DMR9 SL UD BRE RL PC1
26 Omega-9 (3) HK 16x5,4x0,5 55 silver/green aluminium S1 P2 DMR9 SL UD BRE RL PC1
26 Omega Pocket Add.Mach. US 12,3x6,1x0,5 57 gold/black aluminium S2 P1 DUR6 SB UD BRU RL PC1
26 Pacific Calculating Machine JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
26 Perfect Pocket Adder US 12,3x6,1x0,5 57 silver/black aluminium S2 P1 DUR6 SB UD BRU RL PC1
27 PIC JA 16x4x0.4 35 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
27 PIC German Calculator DE 14x8,5x0,7 100 gold/black alu/plasic S1 P1 DUR9 SA UD BSE RL PC3
27 Picma (elge) FR 14,3x8,7x0,4 150 gold/black iron S1 P1 DUR9 SN UD BSU RL PC1
27 Picma (Sterling (elpe) FR 14,3x8,7x0,4 150 gold/black iron S1 P1 DUR9 SN US BSU RL PC1
27 Pilot Adding Machine PL 12x7,7x0,4 75 gold/black iron S1 P1 DUR9 SN UD BSU RC PS
27 Plu-Mi (Wilkenson) SW 22,6x8,3x0,5 235 black/gold messing S1 P2 DURS9 SL UD BRE RL PS
27 Pocket Adding Mach. PAM DE 12x7,7x0,4 75 grey iron S1 P1 DUR9 SN US BSU RC PS
27 Pocket Calculator (1) JA 14x6,5x0,8 60 silver/black tin/plastic S1 P1 DUS7 SA UD BST RL PC4
27 Pocket Calculator (2) JA 14x6,5x0,8 60 silver/black tin/plastic S1 P1 DUS7 SA UD BST RL PC4
28 Pocket Calculator (3) JA 14x6,5x0,8 60 silver/black tin/plastic S1 P1 DUS7 SA UD BST RL PC4
28 Pro Calculo! (1) DE 12x7,7x0,4 75 grey iron S1 P1 DUR9 SN UD BSU RC PS
28 Pro Calculo! (2) DE 16,9x7,8x0,4 111 silver/grey iron S1 P1 DER9 SL UD BSU RC PS
28 Produx DE 10,6x5,7x0,3 40 green/gold iron S1 P2 DMR8 SU UD BSI RB PS
28 Produx Sterling (1) DE 10,6x5,7x0,3 40 green/white iron S1 P2 DMR8 SU US BSI RB PS
28 Produx Sterling (2) DE 11,6x5,7x0,3 45 gold/black iron S1 P2 DMR8 SU US BSI RB PS
28 Produx Add DE 12,5x5x0,4 white/black iron S! P2 DLR6 SU UD BSI RB PS
28 Produx M (1) DE 15,4x8,5x0,6 92 black/silver aluminium S1 P2 DMR9 SU UD BSI RL PC1
28 Produx M (2) DE 15,4x8,5x0,6 92 black/gold aluminium S1 P2 DMR9 SU UD BSI RL PC1
29 Produx M (Eagle) DE 15,4x8,5x0,6 92 black/gold aluminium S1 P2 DMR9 SU UD BSI RL PC1
29 Produx MA (black) DE 15,4x8,5x0,6 92 white/black aluminium S1 P2 DMR9 SU UD BSI RL PC1
29 Produx MA (red) DE 15,4x8,5x0,6 92 white/red aluminium S1 P2 DMR9 SU UD BSI RL PC1
29 Produx Original (1) DE 15x6x0,3 50 green/gold aluminium S1 P2 DMR8 SU UD BSI RL PS
29 Produx Original (2) DE 15,4x8,5x0,6 92 white/black aluminium S1 P2 DMR9 SU UD BSI RL PC1
29 Produx Record (1) DE 19,7x11,5x0,9 270 black/silver iron S1 P2 DMR10 SU UD BSI RL PS
29 Produx Record (2) DE 19,7x11,5x0,9 270 black/silver iron S1 P2 DMR10 SU UD BSI RL PS
29 Produx ST DE 11,5x5,6x0,3 40 white/black aluminium S1 P2 DMR8 SU UD BSI RB PS
29 Progress DE 15,4x8,5x0,6 92 black/gold aluminium S1 P2 DMR9 SU UD BSI RL PC1
30 Quick-Add DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
30 Rapid Calculo IT 14,1x7,1x0,5 65 silver/black iron S1 P2 DMR8 SU UD BSI RL PS
30 Rapid Economy ?? 23,5x15,5x0,5 355 silver/black iron S1 P2 DMR9 SU UD BSI RL PS
30 Raymond FR 17,5x12x1,4 210 gold alu/bakelite S2 P1 DUR9 SB UD BSU RPC PS
30 ReBo Machine a Calculer FR 15x8,4x0,6 125 brassy messing S1 P1 DUS9 SN UD BSU RL PS
30 ReBo (Karmannyj, Russian) RU 15x8,4x0,6 125 brassy messing S1 P1 DUS9 SN UD BSU RL PS
30 Record LM DE 19,8x11,5x0,8 165 black/silver aluminium S1 P2 DMR10 SU UD BSI RL PS
30 Renown JA 16x4x0.4 35 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
30 Ritz Pocket Calculator DE 12,3x6x0,5 60 gold/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
31 Rolls Record DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
31 Russian calculator (1) RU 16x4x0.4 35 white/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
31 Russian calculator (2) RU 16x4x0.4 35 white/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
31 Russian calculator (3) RU 16x4x0.4 35 white/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
31 Russian calculator (4) RU 16x4x0.4 35 white/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
31 Russian calculator(5) RU 16x4x0.4 35 white/black aluminium S1 P2 DMR6 SL UD BRE RL PC1
31 Rychlopoctar (gold) CZ 13,5x7,7x0,4 110 black/gold iron S! P2 DMR9 SU UD BSI RL PS
31 Rychlopoctar (silver) CZ 13,5x7,7x0,4 110 black/silver iron S! P2 DMR9 SU UD BSI RL PS

46
 DIMCODE

PICTURE
PAGE
SIMILAR
NAME FACTORY YEARS
PRODUCTS

26 Omega-9 (1) Wescosa, Campbell, California, US from 1964 Arithma 2D KN

26 Omega-9 (2) Wescosa, Campbell, California, US from 19654 Arithma 2D FD
26 Omega-9 (3) Wescosa, Campbell, California, US from 1964 Arithma 2D JH
26 Omega Pocket Add.Mach. Wescosa, Campbell, California, US from 1964 Addimult 3B JH
26 Pacific Calculating Machine Magic Brain Calc. 4C JH
26 Perfect Pocket Adder Addimult, DE 1960-1975 Addimult 3B JH
27 PIC Arithma 1D JH
27 PIC German Calculator Magic Brain Calc. 4C JH
27 Picma (elge) Unis France, Elpe, Paris, FR (Le Girondin) 1920-1930 Francia 4C KN
27 Picma (Sterling (elpe) Unis France, Elpe, Paris, FR (Le Girondin) 1920-1930 Francia 4C JH
27 Pilot Adding Machine CBR(=Continentale Buro Reform), PL 1920-1930 Pro Calculo! 4B FD
27 Plu-Mi (Wilkenson) Multi Divi AG, Vikarbyn, SW (Wilken Wilkenson 1945-1950 4G FD
27 Pocket Adding Mach. PAM Musterland +/- 1925 Pro Calculo! 4B KN
27 Pocket Calculator (1) 1960-1975 Magic Brain Calc. 3C JH
27 Pocket Calculator (2) 1960-1975 Magic Brain Calc. 3C JH
28 Pocket Calculator (3) 1960-1975 Magic Brain Calc. 3C JH
28 Pro Calculo! (1) CBR ,Berlin, DE (Otto Meuter) 1921-1923 4B KN
28 Pro Calculo! (2) CBR ,Berlin, DE (Otto Meuter) 1921-1923 4E JH
28 Produx 3A KN
28 Produx Sterling (1) 3A KN
28 Produx Sterling (2) 3A KN
28 Produx Add Otto Meuter Und Sohn, Hamburg, DE +/- 1967 2B FD
28 Produx M (1) Otto Meuter, DE 1928-1965 4D KN
28 Produx M (2) Otto Meuter, DE 1928-1965 4D KN
29 Produx M (Eagle) Otto Meuter, DE 4D KN
29 Produx MA (black) Otto Meuter, DE 1928-1965 4D KN
29 Produx MA (red) Otto Meuter, DE 1928-1965 4D KN
29 Produx Original (1) Otto Meuter, DE 1928-1965 3D KN
29 Produx Original (2) Otto Meuter, DE 1928-1965 4D KN
29 Produx Record (1) Otto Meuter, DE 1928-1965 6G KN
29 Produx Record (2) Otto Meuter, DE 1928-1965 6G FD
29 Produx ST Otto Meuter, DE 1928-1965 3A KN
29 Progress Musremont, RU, (Otto Meuter) Produx M 4D ??
30 Quick-Add Addimult, DE, Hans-Wolgfgang Kubler 1960-1975 Addimult 3B JH
30 Rapid Calculo S.G., IT 1950-1960 Ofling 4C FD
30 Rapid Economy 7G FD
30 Raymond Raymond, Pernes (Vaucluse), FR 1930-1955 7E KN
30 ReBo Machine a Calculer E.Reybaud, Marseille, 37, Rue Sénac FR 1920-1930 4D KN
30 ReBo (Karmannyj, Russian) Karmanny, RU, (Raymond) 1920-1930 4D TL
30 Record LM Record, Klausdorf, DE, (Lucy Meuter) 1950-1960 Produx Record 6G KN
30 Renown 1960-1970 Arithma 1D KN
30 Ritz Pocket Calculator Addimult, DE,, (Hans-Wolfgang Kubler) 1960-1970 Addimult 3B JH
31 Rolls Record Addimult, DE,, (Hans-Wolfgang Kubler) 1960-1970 Addimult 3B JH
31 Russian calculator (1) Severnyi Press (SP), Leningrad, RU +/- 1967 Arithma 1D JH
31 Russian calculator (2) Severnyi Press (SP), Leningrad, RU +/- 1967 Arithma 1D KN
31 Russian calculator (3) Severnyi Press (SP), Leningrad, RU +/- 1967 Arithma 1D JH
31 Russian calculator (4) Severnyi Press (SP), Leningrad, RU +/- 1967 Arithma 1D JH
31 Russian calculator(5) Severnyi Press (SP), Leningrad, RU 1967 Arithma 1D ??
31 Rychlopoctar (gold) 1960-1970 4C KN
31 Rychlopoctar (silver) 1960-1970 4C FD

47
 COUNTRY

WEIGHT

SUBTR.

PENCIL
BENDS

RESET
PANEL
SIDES

UNITS
PAGE

NAME DIMENSION COLOR MATERIAL DIGITS

31 Salda DE 12,5x6,5x0,6 100 gold/black iron S1 P1 DUR7 SS UD BSE RL PS

32 Score-Ur-Bridge US 12x7,7x0,4 105 black/gold iron S! P1 DUR9 SN UD BSU RC PS
32 Sears 6 DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
32 Sears 9 DE 12,3x8,3x0,5 80 silver/black aluminium S2 P1 DUR9 SB UD BSU RL PC1
32 Seehaase DE 10,5x5,8x0,3 100 silver ???????? S1 P1 DUR6 SU UD BSE RP PS
32 Semplix (1) IT 9x7x0,4 85 gold/black messing S1 P1 DUR8 SN UD BN RP PC2
32 Semplix (2) IT 9x7x0,4 85 white/black iron S1 P1 DUR8 SN UD BN RP PC2
32 Sirius BE 15,5x12x1,4 470 gold/black tin/iron S1 P1 DUR9 SN UD BSU RH PI
32 Sumaster Adder US 12x7,7x0,4 105 black/gold iron S! P1 DUR9 SN UD BSU RC PS
32 Sum-Fix US 12x7,7x0,4 105 black/gold iron S! P1 DUR9 SN UD BSU RC PS
33 Summa Laskulaite FI 21x18x0,4 brown/red cardboard S1 P1 DUS9 SN UD BSU RP PS
33 Summax DE 15,4x10,1x0,4 240 gold/black messing S! P2 DMR10 SL UD BSE RC PS
33 Super Corona IT 14,2x6,1x0,4 30 silver/black aluminium S! P2 DMR8 SU UD BSI RL PS
33 Super Simplex (1) IT 14,2x6,1x0,4 30 silver/black messing S! P2 DMR8 SU UD BSI RL PS
33 Super Simplex (2) IT 14,2x6,1x0,4 30 gold/black messing S! P2 DMR8 SU UD BSI RL PS
33 Tappit Pocket Adder DE 10,5x7x0,3 85 gold/black brass S1 P1 DUR9 SS UD BSU RL PS
33 Tarema (1) DE 17x9x0,6 220 brass brass SS PD DMR9 SL UD BST Rc PC1
33 Tarema (2) DE 17x9x0,6 220 brass brass SS PD DMR9 SL UD BST RC PC1
33 Tarema (alu) DE 17x9x0,6 170 silver aluminium SS PD DMR9 SL UD BST RC PC1
34 Taschen-Rechner JA 14x7,5x0,8 75 silver/black tin/plastic S1 P1 DUS8 SA UD BST RL PC2
34 Tasco US 13,6x7,5x0,5 170 silver iron S1 P1 DUR8 SS UD BSE RC PS
34 Time Airtour Products GB 10,5x7x0,4 60 silver/black aluminium S1 P1 DUR9 SA UH BSE RP PC2
34 Tip DE 11,6x5,7x0,3 45 gold/black iron S1 P2 DMR8 SU UD BSI RB PS
34 Tom Thumb Adding Mach. US 14x8,2x0,8 120 silver/black alu/plastic S1 P1 DUS9 SA UD BST RL PS
34 Totalis FR 14,3x6x0,5 100 black/gold iron S1 P1 DUR6 SN UD BSU RL PC1
34 Tower (1) DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
34 Tower (2) DE 12,3x6x0,5 60 gold/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
34 Tower Pocket Calculator DE 12,3x6x0,5 60 silver/black aluminium S2 P1 DUR6 SB UD BSU RL PC1
35 Trebla CH 17,3x10,7x1 290 gold/black messing S! P1 DUR9 SS UD BSI RL PS
35 Trick (1) DE 15,4x8,1x0,4 200 silver brass S1 P2 DMR8 SS UD BSE RC PS
35 Trick (2) DE 15,4x8,1x0,4 200 silver brass S1 P2 DMR8 SS UD BSE RC PS
35 Troncet Arithmographe FR 13,6x10x0,5 beige/blue iron S1 P1 DTR9 SN UD BRU RP PS
35 Unic Original DE 13,2x5x0,3 50 White/nlack iron S1 P1 DTR6 SU UD BSU RP PS
35 Valiant Personal Calculator JA 16x4x0.4 35 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
35 VE-PO-AD Adder US 12x7,7x0,4 105 black/gold iron S! P1 DUR9 SN UD BSU RC PS
35 Victoria (Garnier Hannover) DE 11,6x5,7x0,3 45 gold/black iron S1 P2 DMR8 SU UD BSI RB PS
35 Victoria Rechenapparat DE 15x6x0,3 60 beige/black iron S1 P2 DMR8 SU UD BSI RL PS
36 W-Accurator HK 16x4x0.4 35 silver/blue aluminium S1 P2 DMR6 SL UD BRE RL PC1
36 W-Calculator DE 13,6x8,5x0,7 100 gold/black alu/plastic S1 P1 DUS9 SA UD BST RL PC4
36 Wembley AR 14,6x8,8x0,5 120 yellow/black iron S1 P1 DUR9 SN UD BSU RL PC1
36 Windsor US 13,6x8,5x0,7 100 gold/black alu/plastic S1 P1 DUS9 SA UD BST RL PC4
36 Wizard Calc. Machine (1) DE 13,6x8,5x0,7 100 gold/black alu/plastic S1 P1 DUS9 SA UD BST RL PC4
36 Wizard Calc. Machine (2) DE 13,6x8,5x0,7 100 silver/black alu/plastic S1 P1 DUS9 SA UD BST RL PC4
36 + -- X DE 12x6,9x0,3 60 silver iron S1 P1 DUR8 SN UD BSU RP PS

48
 DIMCODE

PICTURE
PAGE
SIMILAR
NAME FACTORY YEARS
PRODUCTS

31 Salda Robert Huber, Berlin, DE from 1928 Adisuma 3B FD

32 Score-Ur-Bridge Ve-Po-Ad , Kansas City, US +/- 1932 Ve-Po-Ad 4B FD
32 Sears 6 Sears, Roebuck, DE (Addimult) 1960-1970 Addimult 3B JH
32 Sears 9 Sears, Roebuck, DE (Addimult) 1960-1970 Addimult 4B FD
32 Seehaase Dr. Hans Seehase +/- 1950 ?? ??
32 Semplix (1) +/- 1926 3A FD
32 Semplix (2) +/- 1926 3A FA
32 Sirius Master, Bruxelles, BE Master 7D KN
32 Sumaster Adder Ve-Po-Ad, Kansas City, US +/- 1930 Ve-Po-Ad 4B JH
32 Sum-Fix Ve-Po-Ad, Kansas City, US +/- 1931 Ve-Po-Ad 4B JH
33 Summa Laskulaite +/- 1950 7G FD
33 Summax Addi, GmbH, Klee & behrens, Hannover,DE +/- 1926 6D FD
33 Super Corona M.D. , Mario Diaz, Milano, IT +/- 1950 Ofling 3C FD
33 Super Simplex (1) F.D. +/- 1950 Ofling 3C KN
33 Super Simplex (2) F.D. +/- 1950 Ofling 3C KN
33 Tappit Pocket Adder Correntator 3A ??
33 Tarema (1) TAschen REchen MAchine 1920-1930 5E FD
33 Tarema (2) TAschen REchen MAchine 1920-1930 5E KN
33 Tarema (alu) TAschen REchen MAchine 1920-1930 5E KN
34 Taschen-Rechner 1960-1975 Magic Brain Calc. 4C FD
34 Tasco Trick 4C KN
34 Time Airtour Products Exactus-mini-add 3A FD
34 Tip Otto Meuter Produx ST 3A FD
34 Tom Thumb Adding Mach. Tom Thumb Products, US Magic Brain Calc. 4C KN
34 Totalis Unis France, Elpe, Paris, FR (Le Girondin) +/- 1926 3C KN
34 Tower (1) 3B JH
34 Tower (2) Sears, Roebuck, DE (Addimult) 1960-1975 Addimult 3B JH
34 Tower Pocket Calculator Sears, Roebuck, DE (Addimult) 1960-1975 Addimult 3B JH
35 Trebla Albert Steinmann,La Chaux de Fonds, CH 1930-1940 6E KN
35 Trick (1) Mercedes, Mehls, DE (Christel Hamann) From 1912 4D KN
35 Trick (2) Mercedes, Mehls, DE (Christel Hamann) From 1912 4D FD
35 Troncet Arithmographe Libraire Larousse, Paris, FR. Louis Troncet 1889-1915 5C FD
35 Unic Original +/- 1934 Blitz 2B FD
35 Valiant Personal Calculator 1960-1970 Addimult 1D FD
35 VE-PO-AD Adder Ve-Po-Ad, Reliable Systems, Chicago, US 4B FD
35 Victoria (Garnier Hannover) Wilhelm Garnier, Hannover, DE, Otto Meuter 1930-1940 Produx 3A FD
35 Victoria Rechenapparat Wilhelm Garnier, Hagen, DE +/- 1950 3D KN
36 W-Accurator 1960-1970 Arithma 1D FD
36 W-Calculator Wizard Werke GmbH, Bonn, DU Magic Brain Calc. 5C JH
36 Wembley 5C FD
36 Windsor 1960-1975 Magic Brain Calc. 5C KN
36 Wizard Calc. Machine (1) Wizard Werke GmbH, Bonn, DU 1960-1975 Magic Brain Calc. 5C KN
36 Wizard Calc. Machine (2) Wizard Werke GmbH, Bonn, DU 1960-1975 Magic Brain Calc. 5C KN
36 + -- X Pro Calculo! 3B KN

49
 KEY TO SYMBOLS

DIMENSIONS: l x w x h in cm

WEIGHT: grams

SIDES: S1 (Side Single ) S2 (Side Double)

PANEL: P1 (Panel Single) P2 (Panel Double)

DIGITS:: DU (Display Upper) DM (Display Middle)

DL (Display Lower) DD (Display Double)
R 6 (Digits Round, 6 digits) S9 (Digits Square, 9 digits)

SUBTRACTION: (Subtraction panel):

SU (Subtr. Upper panel) SL (Subtr. Lower panel)
SS (Subtr. Shield) SB (Subtr. Backside)
SA (Subtr&Add in one panel) SN (Subtr Not available)

UNITS: UD (Units Decimal) US (Units Sterling) UH (Unit Hours)

UF(Unit Feet) UO (Units Other)

BENDS: (Carry-Over Bends):

BRU (Bends Round Upper) BSL (Bends Square Lower)
BRL (Bends Round Lower) BSU (Bends Square Upper)
BRT (Bends Round Twice) BST (Bends Square Twice)
BRE (Bends Round Exterior) BSE (Bends Square Exterior)
BRI (Bends Round Interior) BSI (Bends Square Interior)
BN (Bends None)

RESET: RL (Reset Loop) RC (Reset Centre) RM (Reset Manual)

RP (Reset Pencil) RH (Reset Handle) RB (Reset Bars)

50
PENC: PC3 (Pencil Clips, 3 clips) PL (Pencil Loose clip)

PS (Pencil Separate) PI (Pencil Inside)

FACTORY: Factory, Town, Country, Designer, Details

YEARS: All years (of construction) are approximately

DIMENSIONCODE (DIM.CODE): Width: 1 : < 4 cm Length: A: < 12 cm

(Without reset and pencil-clip) 2 : 4-5½ B : 12-13½
3 : 5½-7 C : 13½-15
4 : 7-8½ D: 15-16½
5 : 8½-10 E : 16½-18
6 : 10-11½ F : 18 -19½
7 : > 11½ G: > 19½
S : Slide Rule
X : Extreme

PICTURE: BN = Bill Nagel UM = Ugo Manieri

FD = Friedrich Diestelkamp DE = Denker
FH = Fred Haeghens KU = Kugel
JH = John Huey ME = Mery
KN = Kees Nagtegaal FA = Fassio
PH = Peter Holland WI = Williams
TL = Timo Leipala VD = Vanderdonckt

Cardboard box of a Magic Brain Calculator

51
 COMPONENTS

All components of a Addiator Arithma

Inside view of a Addiator S-12

52
Side-view of a DA702(Expo)

Subtraction-shield of a Trebla

Backside of a Addiator Toto

53
54
55
56
57
 LINKS

http://www.mechanicalculator.com
A site with the collection mechanical calculators of Kees Nagtegaal. Here you can find more
than a hundred slide adders.

http://www.rechnerlexikon.de
This site is made by calculator-collectors for collectors. There is information about almost
every calculator and shows more than 25000 patents. The site is not complete, every interested
collector may join the team (they need also translators).

http://addiator.de
A German site with the history of Addiator and other German slide-adders like Addimult, Produx etc.
This site is made by Friedrich Diestelkamp.

https://plus.google.com/photos/103618537816338035609/albums?banner=pwa
Picasawebalbum of John D. Huey. Here you can see many slide adders.

http://www.xnumber.com/xnumber/MagicBrainCalculator.pdf
A pdf-file named: The Development of the Magic Brain Calculator

Parts of a package of a Fedtro

58
Addiator Arithma on a (Italian) advertising board

59
60