US Patent: 320,931
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| Bevel Square
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Patentee:
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| Jonathan O. Grover (exact or similar names) - Lynn, MA |
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Patent Dates:
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| Applied: |
Jun. 30, 1884 |
| Granted: |
Jun. 30, 1885 |
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Patent Pictures:
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Russ Allen.
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Description: |
| Bevel with two graduated scales. One graduated disk also serves as the back clamping piece for the blade and the other scale is fixed as part of the bevel body. One set of graduations is marked at 1/2 the actual angle measure. An example appeared on ebay, see the photos. |
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