US Patent: 45,535
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Improvement in Angle-Protractors Parallel Rule with Protractor
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Patentee:
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Henry Taylor (exact or similar names) - Fortress Monroe, VA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Dec. 20, 1864 |
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Ralph Brendler
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Description: |
This is a typical parallel ruler as used for shipboard navigation, with
the added convenience of a built-in protractor for laying off vectors.
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