46 Whitworth cylindrical plug gauges and 2 gauge p

Made:
1914 in Openshaw
maker:
Joseph Whitworth

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46 Whitworth cylindrical plug gauges and 2 gauge plates - 15 BG to 31 BG made to Board of Trade Standards and kept in a case; 1914

Details

Category:
Industrial Metrology
Object Number:
1965-127
Measurements:
overall open: 10.6299 x 16.9291 x 7.874 in.; 27 x 43 x 20 cm
type:
plug gauges
credit:
Board of Trade