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US Patent: 161,182
Improvement in Gas Key or Wrench
Patentee:
Samuel B.H. Vance (exact or similar names) - New York, NY

USPTO Classifications:
431/253

Tool Categories:
wrenches : wrench combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. W. Almqvist
A. F. Terry
Alfred Murray
G. C. Barker

Patent Dates:
Applied: Mar. 01, 1875
Granted: Mar. 23, 1875

Patent Pictures:
Samuel B. H. Vance Pat. March 23, 1875
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Description:
The wrench portion of the tool is a "slotted hemispherical socket" at the end of a long handle to turn the stop cocks of domestic gas-pipes. The alternative larger cylindrical portion of the tool is a reservoir of fuel for a torch which would serve to light the gas.

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