US Patent: 717,534
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| T and Angle Square
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Patentee:
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| Jacob Brauchli (exact or similar names) - Hampton, VA |
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Patent Dates:
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| Applied: |
Feb. 27, 1902 |
| Granted: |
Jan. 06, 1903 |
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Russ Allen.
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Description: |
| T square with the head having a series of holes to fix the beam as fixed angles.
Known example only marked with patent date on beam. |
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