US Patent: 37,002 - Improvement in Rotary-Disk Measures


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US Patent: 37,002

Improvement in Rotary-Disk Measures

Patentee:

Edgar V. Lawrence (exact or similar names) - 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.