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US Patent: 81,879
Improvement in planes
Patentee:
Alfred H. Comp - Mount Joy, PA

USPTO Classifications:
30/490

Tool Categories:
woodworking tools : planes : bench planes

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. M. Martin
J. Gerhart Metzger

Patent Dates:
Granted: Sep. 08, 1868

Patent Pictures:
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Description:
Mechanism for an adjustable mouth on a wooden bench plane. The patent says that, unlike patent 14,436 and patent 43,053, no "special construction of the throat" is required.

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