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US Patent: 432,328
Center and Mortise-Gage
Patentee:
Jacob A. Painter (exact or similar names) - Decatur, IL

USPTO Classifications:
33/197, 33/23.02, 33/32.5, 33/520, 33/673

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. T. Cussius
L. P. Graham
Helen Graham
W. W. Graham

Patent Dates:
Applied: Nov. 04, 1889
Granted: Jul. 15, 1890

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a fairly simple center gage, which uses a pantograph-like mechanism to keep the marking point centered between two fences. The patent also claims this can be used as a mortise gage, but I can't figure out how this could work.

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