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XC Patent: XC-853
Instrument, called Cole's Gravitating Plumb and Level
Patentee:
A. N. Cole - Brockville, ON Canada

USPTO Classifications:

Tool Categories:
layout tools : levels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Jul. 13, 1858

Patent Pictures:
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Description:
XC patents are Canadian patents issued between 1824 and 1869.

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