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US Patent: 611,971
Electrical Wireman's Combined Gage and Calculator
Patentee:
Herbert Lutz - Hamilton, ON Canada

USPTO Classifications:
33/679.1

Tool Categories:
gauges

Assignees:
None

Manufacturer:
Unknown

Witnesses:
W. Bruce
Fred. Clark

Patent Dates:
Applied: Feb. 28, 1898
Granted: Oct. 04, 1898

Patent Pictures: [ 1 | 2 | 3 ]
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Description:
Caluclates from a given voltage the required amperes for a certain number of feet to wire a building for electric light and give the correct gage of wire to be used.

Known example marked: LUTZ PATENT/OCT. 4, 1898/No 611,871

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