File:US Patent 450336 Fig 1.gif
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US_Patent_450336_Fig_1.gif (460 × 463 pixels, file size: 50 KB, MIME type: image/gif)
Summary
[edit]Diagram extracted from US Patent 450,336, dated 14 April 1891. The inventor, Mortimer B. Mills, was born in 1845 - and is long dead. Consequently, I believe that any copyright has expired.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:16, 2 September 2006 | 460 × 463 (50 KB) | Fibula (talk | contribs) | Diagram extracted from US Patent 450,336, dated 14 April 1891. The inventor, Mortimer B. Mills, was born in 1845 - and is long dead. Consequently, I believe that any copyright has expired. |
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