Experimental screw diameter measuring machine

Made:
1915 in Teddington
maker:
National Physical Laboratory
and
Brown and Sharpe Manufacturing Company
Experimental screw diameter measuring machine

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Experimental screw diameter measuring machine
Science Museum Group
© The Board of Trustees of the Science Museum

Experimental screw diameter measuring machine, tilting micrometer type, designed by E. M. Eden, at NPL,.1915. (micrometer head made by Brown and Sharpe Manufacturing Co.)

Details

Category:
Industrial Metrology
Object Number:
1928-1172
Materials:
steel and cast iron
Measurements:
22 x 34 x 16 cm
type:
micrometer for screw diameter measuring
credit:
National Physical Laboratory.