Image
Category
Maker
Object type
Place
Material
Date

Full wave rectifier, type 25Z6G

Westalite contact cooled rectifier

Full wave mercury vapour rectifier, type 83

Four selenium low power rectifiers

1942-1946

Forced air-cooled high voltage rectifier

Fifteen silicon rectifiers

E.H.T. rectifier

1940-1959

E.H.T. Rectifier type 68508

1940-1957

National Union full wave vacuum rectifier

Ferranti Rectifier

1940-1960

E.H.T. rectifier

1940-1959

Tekade full wave rectifier, type RG12D60

Sylvania full wave rectifier, type 6X5GT/T

Six Westinghouse copper oxide rectifiers

Five selenium rectifiers

1950

Experimental X-Band vacuum-diode waveguide rectifier

1953

Three germanium rectifiers

1957

Three silicon controlled rectifiers

1960

Hytron mercury vapour half wave rectifier

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

E.H.T. rectifier

1940-1959

Mullard thermionic valve in box

1945

Experimental Q-Band vacuum-diode waveguide rectifier

1950-1953

Westinghouse 2X2 High-Voltage Rectifier

"EDISWAN" Mercury-Vapour Rectifier

1935

Ferranti Rectifier

1930-1950

E.H.T. rectifier

1940-1948

E.H.T. rectifier

1940-1948

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

E.H.T. rectifier

1940-1959

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

E.H.T. rectifier

1940-1959

Crypto synchronous rectifier no.69 W845

Crypto synchronous rectifier no.69 W845

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

E.H.T. rectifier

1940-1959

Mercury rectifier with "Vitreosil" transparent fused silica envelope

Mercury rectifier

Wild E2 rectifier, for aerial photogrammetry, circa 1952

Wild E2 rectifier

1952

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

Two hard half-wave rectifiers

1943-1944

Mercury vapour rectifier.

Mercury vapour rectifier

High power diode/rectifier.

High power diode

AC rectifier, c. 1925, Fellows Wireless.

AC rectifier

Two low current tubular rectifiers

Two low current tubular rectifiers

Half wave rectifier, type CV 1259 (NU 2)

Half wave rectifier, type CV 1259 (NU 2)

E.H.T. rectifier, anode no. D8661, 1940-1959.

E.H.T. rectifier, anode no. D8661, 1940-1959.

1940-1959

Westalite rectifier made by Westinghouse Brake and Signal Co. Ltd., London, Serial No. SD15857.

Westalite rectifier made by Westinghouse Brake and Signal Co. Ltd.

Oil cooled selenium rectifier with 3-phase transformer for 20 KW output

Oil cooled selenium rectifier

Two crystal low power rectifiers: 1943 British/American silicon; 1942 British Germanium

Two crystal low power rectifiers

1942-1943