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US Patent: 184,209
Improvement in Mechanics' Gages
Patentee:
Woodbury S. How (exact or similar names) - Cincinnati, OH

USPTO Classifications:
33/44

Tool Categories:
layout tools : marking gauges

Assignees:
William J. Breed - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
J. L. Wartmann
F. C. Miller
Franck L. Qurand
Phillip McNickle

Patent Dates:
Applied: Aug. 19, 1876
Granted: Nov. 07, 1876

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
Yet another patent claiming a new way of locking the head. This time, it's a pretty simple design-- it uses a cleft head with a bolt pulling the crack together. The primary claim here is that the gage is cheap to produce, and the locking mechanism will not mar the bar.

I do not know Mr. How produced these tools commercially, but the split head design was used by several manufacturers many years later.

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