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US Patent: 105,153
Calipers
Patentee:
Andrew E. Whitmore (exact or similar names) - Boston, MA

USPTO Classifications:
33/822, 33/823

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. Griffith
Fredrick Curtis
Patent Dates:
Granted: Jul. 05, 1870

Patent Pictures:
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