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US Patent: 660,176
Gage
Gage for Curved Edges
Patentee:
Charles F. Winslow - Pawtucket, RI

USPTO Classifications:
33/43

Tool Categories:
layout tools : marking gauges : curve marking gauges

Assignees:
None

Manufacturer:
Mossberg Wrench Co. - Central Falls, RI

Witnesses:
Herbert D. Lawson
Harry S. Rolwier
George T. Gorton
Henry S. Phillips

Patent Dates:
Applied: Jun. 25, 1900
Granted: Oct. 23, 1900

Patent Pictures: [ 1 | 2 ]
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Description:
This piece uses a fence that is hinged at the center, allowing it to be easily adjusted to fit any curve. The design itself is fairly simple, and works quite well.

In addition to the adjustable fence, these pieces used a clever sliding block to hold a mortise point. Unfortunately this piece was designed to be removable, so this piece is almost always missing.

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