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US Patent: 1,426,645
Inclinometer
Patentee:
Harry C. Hornbeck (exact or similar names) - San Bernardino, CA

USPTO Classifications:
33/346, 33/370, 33/401

Tool Categories:
layout tools : levels : inclinometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 16, 1920
Granted: Aug. 22, 1922

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a strange design for an inclinometer, designed for use in moving vehicles. It uses a liquid-filled container to dampen vibration, and a series of gears to keep the needle relatively steady even when jarred.

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