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US Patent: 220,323
Surface Gage
Patentee:
David B. Woolson - New Haven, CT

USPTO Classifications:
33/32.2

Tool Categories:
layout tools : measurement gauges : surface gauges

Assignees:
None

Manufacturer:
Stanard Tool co. - Athol, MA

Witnesses:
John E. Earle
Joseph C. Earle

Patent Dates:
Applied: Aug. 26, 1879
Granted: Oct. 07, 1879

Patent Pictures: [ 1 | 2 ]
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Martin J. Donnelly Antique Tools
Description:
A D.B. WOOLSON'S PATENT SURFACE GAUGE by the Standard Tool Company, Athol, Massachusetts, patented October 7, 1879. This distinctive early machinists tool has a spirit level fixed in the base to facilitate adustment.

Description courtesy and copyrighted by Martin J. Donnelly Antique Tools.

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