US Patent: 289,817
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| Boring-machine
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Patentees:
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| Frank H. Drummond (exact or similar names) - Bangor, ME |
| Thomas Jenkins, Jr. (exact or similar names) - Bangor, ME |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 17, 1883 |
| Granted: |
Dec. 11, 1883 |
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Jeff Joslin
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Description: |
| "Our invention relates to a machine for boring the holes in spool and other similar blocks..." |
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