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US Patent: 1,425,027
Extensible Micrometer Caliper
Patentee:
Peter Lustrik (exact or similar names) - Cleveland, OH

USPTO Classifications:
33/823

Tool Categories:
layout tools : calipers
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 05, 1919
Granted: Aug. 08, 1922

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a vernier-style caliper with a micrometer adjustment.

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