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US Patent: 6,097
Level-scale for canals, railroads, &c.
Patentees:
Ely Elicott (exact or similar names) - Philadelphia, PA
Samuel A. Abbott (exact or similar names) - Philadelphia, PA

USPTO Classifications:
177/133

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Francis Keyser
George F. McCleane

Patent Dates:
Granted: Feb. 06, 1849

Patent Pictures:
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Description:
This patent is of some tentative interest because a company called "Abbott & Co." was predecessor to a scale maker, Kirhle Brothers, that also made an early foot-powered mortiser.

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