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US Patent: 263,578
Carpenter's Rule
Patentee:
Francis J. Power - Boston, MA

USPTO Classifications:
33/42, 33/458

Tool Categories:
rules
layout tools : marking gauges
layout tools : compasses : trammels

Assignees:
Peter Collamore - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Arthur Reynolds
John F.C. Reinkert
Jos. P. Livermore
B. J. Noyes

Patent Dates:
Applied: Mar. 10, 1882
Granted: Aug. 29, 1882

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Simple boxwood rule with a row of holes down the center to allow it to be used as a marking gage or trammel.

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