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| File information | |
| Filename: | us0d0003716-001.jpg |
| Keywords: | East Birmingham / Allegheny / Pennsylvania / John Glenn / G. H. Christy / Bakewell / Thomas Kerr |
| Inventor's Name: | John Bryce |
| Patent Date: | October 19, 1869 |
| Pattern Name/Number: | Unknown |
| Original Manufacturer: | Unknown |
| Date added: | Apr 19, 2019 |