Fielden Electronics Telstor 62A level transmitter, c1970, connected to electrodes and with Telstor level transmitter, type 62B. Fielden Electronics Telstor 62A level transmitter 1970
Fielden Electronics Telstor 62A level transmitter, c1970, connected to electrodes Fielden Electronics Telstor 62A level transmitter 1970
Tektor TT6 level control unit by Fielden Electronics, 1972 Tektor TT6 level control unit by Fielden Electronics 1972
Fielden Electronics Telstor 62B level transmitter. Patent no. 847107 GB. Fielden Telstor transmitter 62B 1970
Control instrument - level control instrument, Level control instrument. Made by Pass, Anthony in England, United Kingdom, 1957 Level control instrument 1957