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US Patent: 49,670
Improvement in Try Squares
Patentee:
John Williams - Worcester, MA

USPTO Classifications:
33/480

Tool Categories:
layout tools : squares : try squares

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Hartley Williams
Theodore S. Johnson

Patent Dates:
Granted: Aug. 29, 1865

Patent Pictures:
USPTO pdf tiff
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Description:
Adjustment for try squares by use of a threaded rod through the base, attached to the blade.

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