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