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US Patent: 64,391
Improvement in Dividers
Patentee:
Horatio Whiting (exact or similar names) - New York, NY

USPTO Classifications:
33/558.06

Tool Categories:
layout tools : compasses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Albert W. Brown
Alex. F. Roberts
Theo. Fisch
J. A. Service

Patent Dates:
Granted: Apr. 30, 1867

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This set of dividers features a captive nut mounted in one arm, which engages a rack cut into the arc joining the two legs.

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