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US Patent: 1,429,999
Combined Depth and Angle Gauge
Patentee:
Ernest Barlow (exact or similar names) - Foleshill, Coventry England

USPTO Classifications:
33/464, 33/471

Tool Categories:
layout tools : protractors
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 04, 1920
Granted: Sep. 26, 1922

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Ralph Brendler
Description:
This is a protractor with an adjustable tongue to allow it to be used as a depth gauge.

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