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US Patent: 58,271
Improvement in Levels
Patentee:
Danial Masten - Binghamton, NY

USPTO Classifications:
33/365

Tool Categories:
layout tools : levels : pendulum levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
L. A. Murphy
Thos. A. Connolly
H. A. Sheldon
F. T. Newell

Patent Dates:
Granted: Sep. 25, 1866

Patent Pictures:
USPTO pdf tiff
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Description:
This is a wildly unusual design for a pendulum level. Instead of the typical weight and need, it uses a series of rotating discs to indicate level.

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