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US Patent: 1,434,101
Automatic Drill and Wire Gauge
Patentee:
Edmund Curran (exact or similar names) - Boston, MA

USPTO Classifications:
33/679.1

Tool Categories:
layout tools : measurement gauges

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 06, 1920
Granted: Oct. 31, 1922

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This is a dial indicator designed for measuring the diameter of circular objects. It is provided with a special scale allowing it to read standard wire and drill gauges.

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