FR1119976A - Teaching device - Google Patents
Teaching deviceInfo
- Publication number
- FR1119976A FR1119976A FR1119976DA FR1119976A FR 1119976 A FR1119976 A FR 1119976A FR 1119976D A FR1119976D A FR 1119976DA FR 1119976 A FR1119976 A FR 1119976A
- Authority
- FR
- France
- Prior art keywords
- teaching device
- teaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B1/00—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways
- G09B1/02—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements
- G09B1/30—Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways and having a support carrying or adapted to carry the elements wherein the elements are adapted to be arranged in co-operation with the support to form symbols
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1119976T | 1955-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1119976A true FR1119976A (en) | 1956-06-27 |
Family
ID=9631222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1119976D Expired FR1119976A (en) | 1955-03-02 | 1955-03-02 | Teaching device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1119976A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974433A (en) * | 1958-07-14 | 1961-03-14 | Dennis P Litzinger | Changeable indicia display device |
US2978822A (en) * | 1957-10-18 | 1961-04-11 | Nowicki Witold | Advertisement screens |
-
1955
- 1955-03-02 FR FR1119976D patent/FR1119976A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2978822A (en) * | 1957-10-18 | 1961-04-11 | Nowicki Witold | Advertisement screens |
US2974433A (en) * | 1958-07-14 | 1961-03-14 | Dennis P Litzinger | Changeable indicia display device |
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