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US Patent: 128,417
Improvement in Combined Rules and Dividers
Patentee:
Robert Nichol - Rockford, IL

USPTO Classifications:
33/471, 33/558.01

Tool Categories:
layout tools : compasses : dividers

Assignees:
Robert Nichol - Rockford, IL
Edwin F. Thomas - Rockford, IL

Manufacturer:
Not known to have been produced

Witnesses:
G. W. Ford
Wm. T. Skiff
Alex Mahon
H. H. Doubleday

Patent Dates:
Granted: Jun. 25, 1872

Patent Pictures:
USPTO pdf tiff
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Description:
This patent sticks a pair of marking points in the end of a standard boxwood folding rule, to allow it to be used as dividers.

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