US Patent: 374,773
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| Hollow Auger
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Patentee:
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| William Bradford (exact or similar names) - Brockport, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 07, 1886 |
| Granted: |
Dec. 13, 1887 |
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Patent Pictures:
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William Bradford patent December 13, 1887 |
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Stan Schulz
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Description: |
| A right-angled cutter cuts both the side of the tenon, and the shoulder on the wheel spoke. The cutter is adjustable to vary the diameter of the tenon, and the depth of the shoulder cut. |
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