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| Title/First Line | Sir: Endeavoring to trace up the history of American inventions as a duty appertaining to this bureau.. | |
| Date | November 8, 1849 | |
| Collection | Broadside Collection | |
| City | Washington | |
| State/Country | D.C | |
| Subject | Patents | |
| ID | A162 | |
| Source | Seward Papers | |
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