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US Patent: 374,639
Beam Compass
Patentee:
Joseph Strachan (exact or similar names) - Brooklyn, NY

USPTO Classifications:
33/27.03

Tool Categories:
layout tools : compasses : trammels

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Robert N. Kenyon
Edwin Seger

Patent Dates:
Applied: Sep. 01, 1887
Granted: Dec. 13, 1887

Patent Pictures:
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