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US Patent: 266,671
Plumb Bob
Patentee:
William L. Bergen - Batavia, IL

USPTO Classifications:
33/350, 33/393

Tool Categories:
layout tools : plumb bobs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Edward J. Parker
Isaac R. Wood

Patent Dates:
Applied: Jun. 30, 1882
Granted: Oct. 31, 1882

Patent Pictures:
USPTO pdf tiff
Google Patents
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Description:
Plumb bob with an case that also serves as the line spool.

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