Forward spark 'B' wavemeter 80 meters

Radio Communication

Three 2-volt accumulators - type DMG, made before

Radio Communication

BBC Radio Manchester Audiopak

Radio Communication

Marconi magnetic wireless detector

Radio Communication

1903-1907

Wirek "Reporter" portable tape recorder with clock

Radio Communication

Philips video cassette recorder type N1502

Radio Communication

1970-1980

Seven 1/4 scale models of apparatus used by Heinrich Hertz, 1949

Radio Communication

1949

`Storage box for radar apparatus used by R.Watson Watt in 1935

Radio Communication

Ferranti Ltd model 255 valve r

Radio Communication

Ferranti Model 245 Radio

Radio Communication

1954

GEC quartz crystal radio component

Radio Communication

Dean miniature Portphone receiver, 1924

Radio Communication

Two iron boring coherers (Branly type), 1894

Radio Communication

1894

General Electric Radio B.C. 5442

Radio Communication

1940-1950

Model Disc discharger, Marconi Company Souvenir, 1912

Radio Communication

1912

removable baseboard from home-built portable broadcast-receiver, 1925-1935

Radio Communication

1925-1935

aerial variometer, 1942-1946

Radio Communication

1942-1946

assorted papers relating to early ham radio, 1920-1930

Radio Communication

1920-1930

headset and microphone, 1942-1946

Radio Communication

1942-1946

Connector for radio equipment, 1942-1946

Radio Communication

1942-1946

broadcast receiver radio, Britain, 1950-55

Radio Communication

1950-1955

Aircraft radio telephony transmitter together with microphone, less Round valve

Radio Communication

1915

Portable transistor radio set, model VTR 103, seri

Radio Communication

1965

Zenith Royal 1000 transistor radio, 1960

Radio Communication

1960

Vladimir Kosma Zworykin, mirror screw scanner, 1930

Radio Communication

1930

Wheel or steel-disc coherer (thin-film detector), 1902

Radio Communication

1902

ECKO Domestic Valve Radio

Radio Communication

1936

S G Brown telephone relay

Radio Communication

Marconiphone six-valve super-heterodyne portable broadcast radio receiver model 255, 1932

Radio Communication

1932

Jay-Gee crystal or valve receiver, c. 1925

Radio Communication

Crystal holder, 7110 kHz

Radio Communication

Clandestine miniature receiver ("sweet heart" set)

Radio Communication

Wireless receiving set (Telefunken)

Radio Communication

Valve compartment cover, for type W. aircraft transmitter

Radio Communication

Grating, with handle, for Disc Recorder Type D/I

Radio Communication

Brown microphone amplifier

Radio Communication

No. 3272K Cathode ray tube (dummy)

Radio Communication

Pair of ELECTROSTATIC HEADPHONES, Model ESP-6A, by

Radio Communication

Connecting cables used by Simon Bates and Jonathan Ruffle

Radio Communication

c. 1989

Amplifier for use with broadcast receiver, about 1925

Radio Communication

Gecophone Cabinet Loudspeaker

Radio Communication

1926-1928

Osram music magnet broadcast receiver (1928)

Radio Communication

Racal RA 1776 communications receiver (15KHZ-30 MH

Radio Communication

Crystal receiver with double 12 - way crystal turr

Radio Communication

Telephone line socket (Air Ministry ref. no. 10H/2

Radio Communication

Schaub-Lorenz "Music Center 5001" (LW/MW/SW/VHF ra

Radio Communication

Lieben-Reis Relay with base mounting unit

Radio Communication

Watson close-up lens, 2", f/1.9, for Marconi Mk.II

Radio Communication

Philips mains receiver (valved) type B2GO4U, mediu

Radio Communication

Four-part circulator type 66015 (6GHz) about 1964

Radio Communication