US Patent: 229,619
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Dividing-Compass
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Patentee:
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John D. Litle (exact or similar names) - Petaluma, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 21, 1880 |
Granted: |
Jul. 06, 1880 |
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Ralph Brendler
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Description: |
This divider uses a lever to bear against the arc, which is cut with teeth on the underside to engage corresponding teeth in the arm, |
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