US Patent: 64,203
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Improvement in Calipers
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Patentee:
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James Henry Culver (exact or similar names) - San Francisco, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Apr. 30, 1867 |
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Ralph Brendler
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Description: |
This set of calipers features a doubly-hinged leg, allowing one leg to be swung out of the way when measuring beyond a protruberance. |
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