Image
Category
Maker
Object type
Place
Material
Date

National Union full wave vacuum rectifier

Full wave rectifier, type 25Z6G

Fifteen silicon rectifiers

Full wave mercury vapour rectifier, type 83

Westalite contact cooled rectifier

Four selenium low power rectifiers

1942-1946

E.H.T. rectifier

1940-1959

E.H.T. Rectifier type 68508

1940-1957

E.H.T. rectifier

1940-1959

Forced air-cooled high voltage rectifier

Ferranti Rectifier

1940-1960

Mullard thermionic valve in box

1945

Five selenium rectifiers

1950

Tekade full wave rectifier, type RG12D60

"EDISWAN" Mercury-Vapour Rectifier

1935

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

Hytron mercury vapour half wave rectifier

Westinghouse 2X2 High-Voltage Rectifier

Experimental Q-Band vacuum-diode waveguide rectifier

1950-1953

Experimental X-Band vacuum-diode waveguide rectifier

1953

Sylvania full wave rectifier, type 6X5GT/T

Three silicon controlled rectifiers

1960

Six Westinghouse copper oxide rectifiers

Three germanium rectifiers

1957

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1948

E.H.T. rectifier

1940-1948

Rectifier Unit by Heay Berd, Part of Wilkinson Race Finish Camera Unit

Ferranti Rectifier

1930-1950

Two hard half-wave rectifiers, Type NU4, 1943-1944

Two hard half-wave rectifiers

1943-1944

Two copper oxide high voltage rectifiers: 1934 British H 176 (2 units); 1935 British J 176

Two copper oxide high voltage rectifiers

1934-1935

Two selenium high voltage rectifiers: 1945 British 16 H.T.80; 1948 British 36 H.T.40

Two selenium high voltage rectifiers

1945-1948

Two low current tubular rectifiers

Two low current tubular rectifiers

Wild E2 rectifier, for aerial photogrammetry, circa 1952

Wild E2 rectifier

1952

E.H.T. rectifier, Mullard R140, type MX401, serial no. 16996, by Mullard Ltd., London, England, 1940-1959.

E.H.T. rectifier

1940-1959

E.H.T. rectifier, Mullard type MX401/03/T, serial no. T26933, by Mullard Ltd., England, 1940-1959.

E.H.T. rectifier

1940-1959

E.H.T. rectifier, type A150/36P, serial no. 7571, by Newton and Wright Limited, 1940-1948.

E.H.T. rectifier

1940-1948

E.H.T. rectifier, Philips Metalix, type MV0880, serial No. 12356, by Philips, England, 1940-1959.

E.H.T. rectifier

1940-1959

Mercury rectifier with "Vitreosil" transparent fused silica envelope

Mercury rectifier

High power diode/rectifier.

High power diode

Mercury vapour rectifier.

Mercury vapour rectifier

AC rectifier, c. 1925, Fellows Wireless.

AC rectifier

Crypto synchronous rectifier no.69 W845

Crypto synchronous rectifier no.69 W845

M.W. Rotary rectifier no.1 (Autotransformer and commutator rectifier driven by a synchronous motor) and switchboard input 220V, 50Hz single phase; output 8/16V, 4A, serial no.19577

M.W. Rotary rectifier no.1

Nine copper oxide low power rectifiers: 1931 British full wave 250 u.a.; 1931 British half wave WX6; 1934 British full wave 10 m.a.; 1934 British full wave 250 u.a.; 1942 British half wave WX6; 1942 British half wave WX6 miniaturised; 1942 Swedish full wave 10 m.a.; 1942 German half wave; 1946 British half wave KG3

Nine copper oxide low power rectifiers

1931-1946

Westinghouse metal rectifier.

Westinghouse metal rectifier

Westinghouse metal rectifier (pre 1939)

Westinghouse metal rectifier