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US Patent: 94,266
Improvement in Clamp-Screw for Calipers &c.
Patentee:
Daniel Wright, Jr. (exact or similar names) - Waltham, MA

USPTO Classifications:
33/558.08, 411/433

Tool Categories:
layout tools : calipers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Alban G. Andeen
A. L. Stevens
Patent Dates:
Granted: Aug. 31, 1869

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This patent covers a quick-release screw mechanism to allow a caliper to be quickly adjusted to approximate size and then find-tuned.

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