Instructions and all necessary components for test kit MTK18, in plastic carry case
Testing instrument
Ultrasonic flaw detector, 1956-1960.
1959-1960
Kelvin and Hughes Mk 5 miniature "Supersonic" Ultrasonic Flaw Detector
Gamma-ray testing equipment; radiographic container
Gamma-ray testing equipment: radiographic container and components
Electrical testing equipment used by Bakelite in the 1950s
Ferranti D C testing equipment for use on 230 v 50Hz single phase suppl
1939
Testing Equipment: camera line up & lens charts
Textile testing equipment
1900