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US Patent: 825,217
Measuring implement
Combination square, level, bevel, and compass
Samuel E. Hodge - Sarasota, FL
Ezikiel N. Hull - Sarasota, FL

USPTO Classifications:
33/340, 33/342, 33/354, 33/381, 33/419, 33/761

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


Not known to have been produced

L. L. Morril
E. K. Stewart
C. V.S. Wilson
Geo. W. Blackburn

Patent Dates:
Applied: Aug. 15, 1905
Granted: Jul. 03, 1906

Patent Pictures:
USPTO pdf tiff
Google Patents
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This tool is designed to find the angle from polar North, as well as to act as a simple square and level. The description does not make it clear what they intended audience for this tool is, but it would presumably be surveyors or railroad engineers.

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