US Patent: 94,867
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Combination Square
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Patentee:
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H. N. Burr (exact or similar names) - Mount Gilead, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Sep. 14, 1869 |
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Joel Havens
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Description: |
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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