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US Patent: 289,513
Micrometer Gage
Patentee:
Samuel Darling - Providence, RI

USPTO Classifications:
33/813

Tool Categories:
metalworking tools : machinist tools : measuring tools : micrometers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John E. Hall
Jacob Kettner

Patent Dates:
Applied: Sep. 08, 1883
Granted: Dec. 04, 1883

Patent Pictures:
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Description:
The end in view in this invention is to so construct a micrometer gage that the index sleeve may be comparatively short say one inch long, more or less and be used to indicate correctly on a gage of any desired size and length of screw, and it consists in making the screw movable and adjustable in the sleeve.

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