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US Patent: 575,671
Telescoping Measuring-Rule
Patentees:
George W. Watt - Brooklyn, NY
James B. Smith - Brooklyn, NY

USPTO Classifications:
235/70D, 33/485, 33/809, 401/52, 7/164

Tool Categories:
rules : measuring rods

Assignees:
None

Manufacturer:
Dayton Manufacturing - Dayton, OH

Witnesses:
Henry G. Pons
Wm. A. Heywood
M. B. Harris

Patent Dates:
Applied: May 23, 1895
Granted: Jan. 19, 1897

Patent Pictures: [ 1 | 2 ]
USPTO pdf tiff
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Description:
This tool combines a telesoping measuring rod with a removable mechanical pencil. The was produced by Dayton as the "Dayton Engineer's Pencil".

Known examples are marked with the manufacturer name and patent date.

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