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US Patent: 101,689
Sliding Calipers
Patentee:
Andrew E. Whitmore - Somerville, MA

USPTO Classifications:
33/810

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fredrick Curtis
E. Griffiths

Patent Dates:
Granted: Apr. 05, 1870

Patent Pictures:
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