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US Patent: 37,002
Improvement in Rotary-Disk Measures
Patentee:
Edgar V Lawrence - Brooklyn, NY

USPTO Classifications:
33/779

Tool Categories:
specialty tools : wheel-based measurers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
M. S. Partidge
Timothy Shine

Patent Dates:
Granted: Nov. 25, 1862

Patent Pictures:
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Description:
This is a rolling measure in the form of a stopwatch. It uses the standard gearing to count revolutions, as well as the ability to set the needle at any point to start.

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