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US Patent: 515,550
Gage for Rules
Patentee:
John J. McManus - San Francisco, CA

USPTO Classifications:
33/486

Tool Categories:
rules : rule attachments
layout tools : marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. H. Keys
E. A. Crammer
John Siminic
Chas. S. Hyer

Patent Dates:
Applied: Jun. 15, 1893
Granted: Feb. 27, 1894

Patent Pictures:
USPTO pdf tiff
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Description:
A simple fence that attaches to a boxwood rule, allowing it to be used as a marking gage.

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