Full wave mercury vapour rectifier, type 83
Six Westinghouse copper oxide rectifiers
Five selenium rectifiers
1950
Four selenium low power rectifiers
1942-1946
Ferranti Rectifier
1940-1960
Mullard thermionic valve in box
1945
Westinghouse 2X2 High-Voltage Rectifier
"EDISWAN" Mercury-Vapour Rectifier
1935
Rectifier Unit by Heay Berd, Part of Wilkinson Race Finish Camera Unit
Three germanium rectifiers
1957
Full wave rectifier, type 25Z6G
Fifteen silicon rectifiers
Hytron mercury vapour half wave rectifier
Experimental X-Band vacuum-diode waveguide rectifier
1953
National Union full wave vacuum rectifier
Experimental Q-Band vacuum-diode waveguide rectifier
1950-1953
Ferranti Rectifier
1930-1950
E.H.T. rectifier
1940-1959
Klangfilm' Rectifier
Forced air-cooled high voltage rectifier
Wild E2 rectifier, for aerial photogrammetry
1952
Three silicon controlled rectifiers
1960
Tekade full wave rectifier, type RG12D60
E.H.T. rectifier
1940-1959
Rectifier, part of continuously-pumped 250KV deep x-ray therapy equipment
1938
Wild E2 rectifier, for aerial photogrammetry
1952
E.H.T. rectifier
1940-1959
E.H.T. rectifier
1940-1959
E.H.T. Rectifier type 68508
1940-1957
Sylvania full wave rectifier, type 6X5GT/T
E.H.T. rectifier
1940-1959
E.H.T. rectifier
1940-1959
E.H.T. rectifier
1940-1948
E.H.T. rectifier
1940-1948
E.H.T. rectifier
1940-1959
Westalite rectifier made by Westinghouse Brake and Signal Co. Ltd.
Two selenium high voltage rectifiers
1945-1948
Westinghouse metal rectifier
Mercury rectifier
Wild E2 rectifier
1952
AC rectifier
Two copper oxide high voltage rectifiers
1934-1935
Rectifier, cased
Mercury vapour rectifier
Westinghouse metal rectifier
Nine copper oxide low power rectifiers
1931-1946
Ostar-Ganz rectifier
1930s-1940s
Ostar-Ganz rectifier
1930s
Two hard half-wave rectifiers
1943-1944