Image
Category
Collection
On Display
Object type
Material
Maker
Place
Archive
Date
Marconi magnetic detector No. 12739 with cover, 1900-1950

Marconi magnetic detector No. 12739 with cover, 1900-1950

1900-1950

Stud field regulator, 1900-1950

Stud field regulator, 1900-1950

1900-1950

High-frequency chokes, 1900-1950

High-frequency chokes, 1900-1950

1900-1950

Low frequency iron core inductance, 1900-1950

Low frequency iron core inductance, 1900-1950

1900-1950

Copper busbars and ebonite insulators, 1900-1950

Copper busbars and ebonite insulators, 1900-1950

1900-1950

Aerial tuning inductance, 1900-1950

Aerial tuning inductance, 1900-1950

1900-1950

Marconi-Reisz 'Marble' Microphone

Marconi-Reisz 'Marble' Microphone

1927-30

BBC L1 lip microphone, 1937-1960

BBC L1 lip microphone, 1937-1960

1937-1960

High frequency sliding inductance on wood base, 1900-1950

High frequency sliding inductance on wood base, 1900-1950

1900-1950

Rotary convertor, 1900-1950

Rotary convertor, 1900-1950

1900-1950

'MPB' call sign plaque, 1900-1950

'MPB' call sign plaque, 1900-1950

1900-1950

Wooden pillar insulators, 1900-1950

Wooden pillar insulators, 1900-1950

1900-1950

Iolanda transformer in wooden box, 1900-1950

Iolanda transformer in wooden box, 1900-1950

1900-1950

Guard lamps on wooden board, 1900-950

Guard lamps on wooden board, 1900-950

1900-1950

Tuning indicator with lamp, 1900-1950

Tuning indicator with lamp, 1900-1950

1900-1950

Receiving ‘jigger’ used by the Marconi Company, 1899

Receiving ‘jigger’ used by the Marconi Company, 1899

1899

Experimental transmitting ‘jigger’ used by the Marconi Company, 1899

Experimental transmitting ‘jigger’ used by the Marconi Company, 1899

1899

Billi condenser used for aerial tuning in Newfoundland, 1901

Billi condenser used for aerial tuning in Newfoundland, 1901

1901

Aerial inductances, 1901

Aerial inductances, 1901

1901

Experimental form of Marconi Company magnetic detector, 1900-1910

Experimental form of Marconi Company magnetic detector, 1900-1910

1900-1910

BBC Marconi AXBT ribbon microphone

BBC Marconi AXBT ribbon microphone

1944-1959

Fixed gap discharger, 1900-1950

Fixed gap discharger, 1900-1950

1900-1950

Stud motor starter, 1900-1950

Stud motor starter, 1900-1950

1900-1950

Marconi multiple tuner, serial number 6305, 1900-1950

Marconi multiple tuner, serial number 6305, 1900-1950

1900-1950

Buzzer key, 1900-1950

Buzzer key, 1900-1950

1900-1950

Magnetic key relay, 1900-1950

Magnetic key relay, 1900-1950

1900-1950

Bridge telephone, 1900-1950

Bridge telephone, 1900-1950

1900-1950

Marconi-Sykes Magnetophone microphone

Marconi-Sykes Magnetophone microphone

1923

Marconi-Sykes magnetophone

Marconi-Sykes magnetophone

1923

Savoy Hill 'Meat Safe' microphone stand

Savoy Hill 'Meat Safe' microphone stand

1923

V2A Marconiphone receiver (long-range model) , 1922-1924

V2A Marconiphone receiver (long-range model) , 1922-1924

1922-1924

Main part of Marconi 1.5KW transmitter from 2LO

Main part of Marconi 1.5KW transmitter from 2LO

1922-1925

Brass earth arrester plates, 1900-1950

Brass earth arrester plates, 1900-1950

1900-1950

Coil type testing buzzer, 1900-1950

Coil type testing buzzer, 1900-1950

1900-1950

Secrecy notice for telegrams, 1900-1950

Secrecy notice for telegrams, 1900-1950

1900-1950

Main transmitting condenser in wooden case, 1900-1950

Main transmitting condenser in wooden case, 1900-1950

1900-1950

Wave shortening condenser in wood case, 1900-1950

Wave shortening condenser in wood case, 1900-1950

1900-1950

Receiving ‘jigger’ used by the Marconi Company, 1898

Receiving ‘jigger’ used by the Marconi Company, 1898

1898

Billi condenser used for aerial tuning in Newfoundland, 1901

Billi condenser used for aerial tuning in Newfoundland, 1901

1901

Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910

Horseshoe magnet and keep used with experimental form of magnetic detector, 1900-1910

1900-1910

Centre-zero moving-coil galvanometer marked Griffin and George Ltd.

Centre-zero moving-coil galvanometer marked Griffin and George Ltd.

1954-1980

Moving-coil voltmeter in angled wooden stand

Moving-coil voltmeter in angled wooden stand

1945-1954

Adler tube amplifier, ZETA

Adler tube amplifier, ZETA

1961

Moving-coil milliammeter or universal indicator marked Griffin and George Ltd.

Moving-coil milliammeter or universal indicator marked Griffin and George Ltd.

1954-1980

Hoffman extra light type ball journal S1.

Hoffman extra light type ball journal S1.

1925

Hoffman medium type ball journal bearing

Hoffman medium type ball journal bearing

1925

Shunt, for Crompton Universal moving-coil galvanometer

Shunt, for Crompton Universal moving-coil galvanometer

1950-1983

Receiving ‘jigger’ used by the Marconi Company, 1898

Receiving ‘jigger’ used by the Marconi Company, 1898

1898

Crompton Parkinson A C test meter set

Crompton Parkinson A C test meter set

1926

Receiving ‘jigger’ used by the Marconi Company, 1898

Receiving ‘jigger’ used by the Marconi Company, 1898

1898