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US Patent: 50,173
Improvement in Dividers
Patentee:
S. Addison Shurtleff - Taunton, MA

USPTO Classifications:
33/665

Tool Categories:
layout tools : compasses : dividers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Theo. Tusch
Wm. Greurn
C. H. Kukland
Bernard A. Galligan

Patent Dates:
Granted: Sep. 26, 1865

Patent Pictures:
USPTO pdf tiff
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Description:
This is an unusual design for a pair of dividers, in which an automatically centered leg can be extended to bifurcate the divided distance.

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