US Patent: 211,327
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Improvement in Rotary Measures
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Patentees:
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Fred A. Heberline (exact or similar names) - Mansfield, PA |
Albert Boss (exact or similar names) - Mansfield, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Sep. 19, 1878 |
Granted: |
Jan. 14, 1879 |
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Ralph Brendler
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Description: |
This traveller is provided with a rotary counter to allow direct reading. |
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