US Patent: 732,379
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| Carpenter's Gage
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Patentee:
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| Lewis Shireman (exact or similar names) - Martinsville, IN |
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Patent Dates:
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| Applied: |
Oct. 18, 1901 |
| Granted: |
Jun. 30, 1903 |
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Patent Pictures:
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Image courtesy of Hampton L. Williams |
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Russ Allen.
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Description: |
| Try square with one side of the preforations aligned with a graduated scale on the blade. This allows a pencil to be inserted into the slot for marking accurate lines parallel to the face of the square as would be needed when marking a board for ripping.
Mr. Shireman references Farnam's patent 171,927 which also uses perforations for laying out lines. |
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