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US Patent: 15,073
Tool for Watchmakers
Combination Hand Vise and Calipers
Patentee:
William Hart - Mayville, WI

USPTO Classifications:
269/237, 269/9, 33/558.01, 7/101, 7/125

Tool Categories:
layout tools : calipers
trade specific : clockmaker
work holding : vises : hand vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Hannah P. Bowen
E. B. Brown

Patent Dates:
Granted: Jun. 10, 1856

Patent Pictures:
USPTO pdf tiff
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Description:
This tool combines two commonly-used watchmaking tools into one package. It does not seen overly useful, as the two tools interfere with the use of the other, and both tools are rarely used at the same time.

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