internal and external gauges

Pair of internal and external cylindrical gauges 3/8, made by J

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Pair of internal and external cylindrical gauges 3/8, made by J
Science Museum Group
© The Board of Trustees of the Science Museum

Pair of internal and external cylindrical gauges 3/8", made by J. Whitworth and Co., mid 19th century

Details

Category:
Industrial Metrology
Object Number:
1954-25
Materials:
steel-hardened
Measurements:
8 x 3.5 cm
type:
gauges
credit:
George Clark, F. & Sons (Toolmakers) Ltd.