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US Patent: 94,867
Combination Square
H. N. Burr - Mount Gilead, OH

USPTO Classifications:

Tool Categories:
layout tools : squares : bevel squares


Not known to have been produced

George D. Cross
Thomas Patterson

Patent Dates:
Granted: Sep. 14, 1869

Patent Pictures:
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The object of this invention is to provide a tool for circular, beveled, and other work, adapted for the use of machinists, wheelwrights, millwrights, and pattern-makers, and applicable to a variety of useful purposes in the mechanic arts. The invention consists in the peculiar construction of a square, provided with numerous graduated adjustments which adapt it for use on surfaces in different planes, and at various angles with each other, and for laying out and spacing circular, beveled; and other work, in a convenient, rapid, and accurate manner.

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