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US Patent: 11,841
Square, Scale, Level, and Bevel
Patentee:
Josiah Shanklin - Parkersburg, VA

USPTO Classifications:
33/420

Tool Categories:
layout tools : squares
layout tools : levels
layout tools : bevels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
M. P. Amiss
Geo. Loomis

Patent Dates:
Granted: Oct. 24, 1854

Patent Pictures:
USPTO pdf tiff
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Description:
This is a fairly standard framing square, with a second blade that is adjustable with respect to the legs of the square. Through various configurations, it can be used as a framing square, a bevel gage, and a level/inclinometer.

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