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US Patent: 225,436
Dividers
Patentee:
James F. Sullivan (exact or similar names) - Fitchburg, MA

USPTO Classifications:
33/558.4

Tool Categories:
layout tools : compasses : dividers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
Thomas J. Wood
Henry Jackson
G. F. Connor
Jos. P. Livermore
Patent Dates:
Applied: Dec. 15, 1879
Granted: Mar. 09, 1880

Patent Pictures: [ 1 | 2 ]
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Description:
These dividers feature pivoting legs and replaceable points, and are intended for rough use.

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