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US Patent: 61,840
Improvement in Carpenters' Gages
Patentee:
George T. Lape - New York, NY

USPTO Classifications:
33/44

Tool Categories:
layout tools : marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. A. Jackson
J. A. Service
William F. McNamara
O. D. Munn

Patent Dates:
Granted: Feb. 05, 1867

Patent Pictures:
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Description:
A fascinatingly complex marking gage-- it uses two interlocking arms whose position relative to each other is controlled by a thumbscrew, as well as a rack and pinion system for moving the head. It's way more complicated than it needs to be, which is one of the things that makes it so interesting.

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