Pocket sheet metal gauge

Pocket sheet metal gauge patented in 1878 and made by Brown and

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Pocket sheet metal gauge patented in 1878 and made by Brown and
Science Museum Group
© The Board of Trustees of the Science Museum

Pocket sheet metal gauge patented in 1878 and made by Brown and Sharpe Manufacturing Co., being a micrometer with a range of 0.0" to 0.375".

Details

Category:
Industrial Metrology
Object Number:
1928-1121
Measurements:
3.5 x 5 x 1 cm
type:
micrometer
credit:
Brown and Sharpe Manufacturing Company