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US Patent: 77,997
Improvement in Gauges
Surface Gage
Patentee:
E. W. Mathieson - Norwich, CT

USPTO Classifications:
33/32.2

Tool Categories:
layout tools : measurement gauges : surface gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Wm Wendolyn
Cornelieus Rose
H. A. Ellis
Albert S. Bolles

Patent Dates:
Granted: May 19, 1868

Patent Pictures:
USPTO pdf tiff
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Description:
A very simple surface gage, with a finely threaded screw for height adjustment

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