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US Patent: 2,209,250
Scribing Trammel for Striaght and Curved Lines
Patentee:
Paul Manthey (exact or similar names) - Bronx, NY

USPTO Classifications:
33/27.032, 33/42

Tool Categories:
layout tools : marking gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 06, 1939
Granted: Jul. 23, 1940

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Ralph Brendler
Description:
This is an intersting combination marking gage and trammel with a reversible head to allow it to mark off straight or curved edges.

Of particular merit on this piece is the presence of gaging holes on the back of the arm, with a corresponding index pin in the head. This would allow the gage to be quickly and accurately locked in position at standard distances.

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