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US Patent: 141,915
Micrometer Gage
Patentee:
Antoine Bónnaz - Paris, France

USPTO Classifications:
33/815

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles Desnos
Emile Duhan

Patent Dates:
Applied: May 09, 1873
Granted: Aug. 19, 1873

Patent Pictures:
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Description:
The invention relates to micrometer screwpresses for measuring articles in minute fractions, or with unusual accuracy, and will be first fully described and then clearly pointed out in the claims.

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