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US Patent: 36,906
Improvement in Spirit-Levels
Patentee:
Thomas N. Hosmer - Todd's Valley, CA

USPTO Classifications:
33/383, 33/385

Tool Categories:
layout tools : levels : level adjustments

Assignees:
None

Manufacturer:
The Stanley Rule & Level Co. - New Britain, CT

Witnesses:
G. W. Reed
J. W. Coombs
R. Parkhurst
Geo. G. Webster

Patent Dates:
Granted: Nov. 11, 1862

Patent Pictures: [ 1 | 2 ]
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Description:
This patent covers a design for replaceable vials in a level, as well as the adjustment of the level vial while the level is assembled. This design was used on several early Stanley levels.

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