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Paul S. Burditt and Othniel Preston Patent
Improvement to Signal Whistle, 1867
| Owner of original | US Patent Office |
| Date | 1867 |
| File name | Burditt Preston Patent 1867.pdf |
| File Size | 1.02m |
| Linked to | Paul Sawyer Burditt (Occupation); Othniel Preston (Occupation) |
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