US Patent: 29,883
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Auger
Adjustable Auger
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Patentee:
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| John M. Hathaway (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Sep. 04, 1860 |
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Jeff Joslin (dm)
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Description: |
| Adjustable auger by means of transverse cutter set in a dovetail groove. Additional specifications refer to pin and spring arrangement, as well as a set screw and 1/32" graduations to expedite setting the diameter of cuts at 1/16" increments. |
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