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US Patent: 441,685
Caliper Adjustment
Patentee:
Arthur Munch (exact or similar names) - Milwaukee, WI

USPTO Classifications:
33/558.05

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. T. Benedict
Anna Faust
C. H. Keeney

Patent Dates:
Applied: Aug. 21, 1890
Granted: Dec. 02, 1890

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
Another fine-adjustment design for a caliper. This one uses a combination of adjustment screws to allow for both micro-adjustment and release/reset to accomodate measuring of inside diameters.

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