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US Patent: 999,104
Drawing Instrument
Combined Compass, Divider, and Scribe
Patentee:
John Erickson (exact or similar names) - Warren, PA

USPTO Classifications:
33/41.5

Tool Categories:
layout tools : scribes
layout tools : compasses

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Florence Sandblade
W. King
F. G. Gibson
K. Allen

Patent Dates:
Applied: Feb. 04, 1910
Granted: Jul. 25, 1911

Patent Pictures:
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Report data errors or omissions to steward Ralph Brendler
Description:
This scriber provides a second joint halfway down each leg to allow it to be used in various configurations. It is mentioned as being especially useful for masonry work, but I see nothing in the description that applies to masonry.

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