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US Patent: 49,802
Improvement in Pendulum Levels
Patentee:
B. F. St. John - Shelbyville, IN

USPTO Classifications:
33/391

Tool Categories:
layout tools : levels : pendulum levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theo. Tusch
Wm. Greurn
Z. U. Smith
John L. Montgomery

Patent Dates:
Granted: Sep. 05, 1865

Patent Pictures:
USPTO pdf tiff
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Description:
This patent covers a new and simple way of manufacturing the pendulum for a pendulum level. The pendulum, weight, and indicator are all formed from a single piece.

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