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US Patent: 435,348
Gage
Metal Butt Gage
Patentee:
John L. Murphy - Springfield, MA

USPTO Classifications:
33/44

Tool Categories:
layout tools : marking gauges
layout tools : marking gauges : butt gauges

Assignees:
None

Manufacturer:
Unknown

Witnesses:
William S. Bellow
H. A. Chapin
J. D. Garfield

Patent Dates:
Applied: Mar. 17, 1890
Granted: Aug. 26, 1890

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
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Description:
An interesting butt gage, with several unusual features. This gage uses a telescoping arm with one point on the tube and one in the inner arm, and a large metal head with a slot to fit the inner point. Interestingly, this tool does not automatically account for the hinge gain (unlike most other butt gages).

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