early metric micrometer

Made:: 1878 in Providence county

maker:: Brown and Sharpe Manufacturing Company

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First type of one inch size micrometer caliper made by Brown and Sharpe in 1878. This one reading metric sizes, 0 to 25 mm. with graduated scale to read to 0.02 mm.

Details

Category:: Industrial Metrology

Object Number:: 1928-1122

type:: calliper micrometer

taxonomy:

furnishing and equipment
measuring device - instrument
micrometer

credit:: Brown and Sharpe Manufacturing Company

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