File:US Patent 807871 Fig 1 Edited.gif
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Summary
I have created this from Fig 1 and other extracts from the first page of US Patent 807871, dated 1905. Consequently, I consider that any copyright that existed in the original has expired. The diagram in the patent has been edited to remove the annotations.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:38, 10 September 2006 | | 1,024 × 1,457 (134 KB) | Fibula (talk | contribs) | I have created this from Fig 1 and other extracts from the first page of US Patent 807871, dated 1905. Consequently, I consider that any copyright that existed in the original has expired. The diagram in the patent has been edited to remove the annotatio |
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