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US Patent: 48,703
Improvements in Carpenters' Gages
Patentee:
James McCrum - Locust Grove, OH

USPTO Classifications:
33/18.1, 33/42

Tool Categories:
layout tools : marking gauges : center marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theodore Tuscle
William Grewin
John Copeland
Samuel Tener

Patent Dates:
Granted: Jul. 11, 1865

Patent Pictures:
USPTO pdf tiff
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Description:
A simple but highly specialized gage for marking the centerline of tapered pieces, designed for marking out the mortise for a gun barrel.

The inventor's location is Locust Grove, Ohio. There are three different communities with that name. The inventor was in the one located in Adams County.

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