US Patent: 157,562
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| Improvement in Bit-Gages
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Patentees:
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| John E. Windle (exact or similar names) - Springfield, MA |
| James C. Goodrich (exact or similar names) - Springfield, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 19, 1874 |
| Granted: |
Dec. 08, 1874 |
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Patent Pictures:
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Jeff Joslin (dm)
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Description: |
| Depth stop which can be set at various angles and rings a bell when the determined depth has been reached. |
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