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US Patent: 17,991
Adjustment for Try Squares
Patentee:
Joel Whitney - Winchester, MA

USPTO Classifications:
33/480

Tool Categories:
layout tools : squares : try squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Chas. W. Hawkes
Saml. G. Parsons

Patent Dates:
Granted: Aug. 11, 1857

Patent Pictures:
USPTO pdf tiff
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Description:
Utilizes a flattened pin in a slot with a eccentric pin or order to adjust the blade.

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