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US Patent: 41,387
Improvement in Calipers
Patentee:
William A. Morse - Boston, MA

USPTO Classifications:
33/801

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
R. M. Morse, Jr.
C. W. Huntington

Patent Dates:
Granted: Jan. 26, 1864

Patent Pictures:
USPTO pdf tiff
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Description:
Another calipers with built in measuring scale, this time in a more compact package.

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