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US Patent: 393,290
Scale divider and section liner
Patentee:
Adolph C. Both - Portland, ME

USPTO Classifications:
33/450

Tool Categories:
layout tools

Assignees:
None

Manufacturer:
Keuffel & Esser Co. - New York, NY

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 31, 1888
Granted: Nov. 20, 1888

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Description:
One of these appeared in a Martin J. Donnelley auction.

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