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US Patent: 917,179
Measuring Instrument
Patentee:
Charles Sprigg (exact or similar names) - Ithaca, NY

USPTO Classifications:
33/391

Tool Categories:
layout tools : levels : pendulum levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Herbert Curry
H. Gallagher
Patent Dates:
Applied: Nov. 26, 1907
Granted: Apr. 06, 1909

Patent Pictures: [ 1 | 2 ]
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Description:
Pendulum style inclinometer.

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