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US Patent: 948,232
Level Attachment for Straight-Edges
Patentee:
Olaf H. Lund - San Francisco, CA

USPTO Classifications:
33/384

Tool Categories:
layout tools : levels : level adjustments

Assignees:
William Fuchs - Oakland, CA

Manufacturer:
Not known to have been produced

Witnesses:
Charles Francee
Leroy H. Johnstone
R. A. Berry
F. G. Maynard

Patent Dates:
Applied: May 22, 1909
Granted: Feb. 01, 1910

Patent Pictures:
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Description:
This is a simple level vial that can be attached to any straight edge to make an impromptu level. The main claim to the patent is the unusual adjustment mechanism used for the vial.

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