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US Patent: 1,411,685
Gauge
Caliper with Screw Adjustment
Patentee:
Mikolaj Dubowik (exact or similar names) - Worcester, MA

USPTO Classifications:
33/810

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 24, 1921
Granted: Apr. 04, 1922

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a typical machinist caliper which uses a screw-driven adjustment similar to that on a typical micrometer.

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