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| File information | |
| Filename: | us0d0008232-001.jpg |
| Keywords: | Pittsburg / Allegheny / Pennsylvania / John P. Scott |
| Inventor's Name: | Thomas B. Atterbury & James S. Atterbury |
| Patent Date: | March 30, 1875 |
| Pattern Name/Number: | Unknown |
| Original Manufacturer: | Unknown |
| Date added: | Apr 21, 2019 |