US Patent: 1,419,645
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Plotting Instrument Navigator's Dividers
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Patentee:
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Frank R. Santori (exact or similar names) - New York, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Dec. 10, 1920 |
Granted: |
Jun. 13, 1922 |
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Ralph Brendler
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Description: |
This is a standard set of dividers, with an extension arm to allow it to measure a secondary distance. |
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