Experimental screw diameter measuring machine, tilting micrometer type, designed by E. M. Eden, at NPL,.1915.
Work Type
Industrial Metrology
Date
1915
Location
Teddington
Material
cast iron
steel
Measurements
22 x 34 x 16 cm
Description
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.)