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US Patent: 114,027
Improvement in Adjustable Spirit Levels
Patentees:
Joab Morss (exact or similar names) - Philadelphia, PA
Franklin B. Abel (exact or similar names) - Philadelphia, PA

USPTO Classifications:
33/385

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. H. Shoemaker
Authur J. Cooke
Adam L. Hoshack

Patent Dates:
Granted: Apr. 25, 1871

Patent Pictures:
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Report data errors or omissions to steward Russ Allen.
Description:
Plate covers the adjusting mechanisms and after adjustment clamps and secures the adjusting screw to maintain the adjustment.

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