Jubilee telephone wall mounting, 1977
1977
PDP 10 operators console, 1966-1970
1966-1970
Module from SAGE computer, 1963-1984
1963-1984
Logic door from a Ferranti Mark I computer, 1951
1951
Two-valve short wave radio - telephonic receiver, 1927
1927
Closed Intel 8080 microprocessor chip, 1974-1977
1974-1977
Impulse sender (dial), 1915
1915
Wireless World Diary, 1933
1933
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Specimen of the first transatlantic telephone cable, deep sea type, 1956
1956
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
System X circuit board from digital switching subsystem, 1980
1980
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Grey ATA 31/34 telephone with dial, 1965-1968
1965-1968
Home built 405-line television receiver, 1951-1953
1951-1953
Radio tuning coil No. 300, 1922-1923
1922-1923
Moulded unprocessed bakelite panel ready for ECME, 1936-1955
1936-1955
Jubilee telephone with external bell box, 1977
1977
NEC 600P push-button telephone, 1981
1981
Mullard EF9 VM RF pentode valve (McVitie Weston valve collection), 1939
1939
NorthStar Horizon computer, 1979
1979
Mullard T.H.4 radio valve, 1936
1936
Domino black and ivory telephone handset, 1981
1981
RCA Radiotron 35 VM RF pentode valve (McVitie Weston valve collection), 1931-1972
1931-1972
Specimen of lightweight transatlantic telephone cable, 1961
1961
Telstar maser assembly with magnet, 1962-1967
1962-1967
Radio tuning coil No. 100, 1922-1923
1922-1923
Thorn-Ericsson 'Astrofon' telephone, 1981
1981
Croma telephone with dial, 1976
1976
Specimen of TAT3 cable, 1963
1963
BBC L1 lip microphone, 1937-1960
1937-1960
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Telephone in two-tone light blue and grey, 1984
1984
Mullard video output pentode, T.S.P.4, 1920-1936
1920-1936
Radio tuning coil No. 200, 1922-1923
1922-1923
Bell's harmonic telegraph receiver, 1925-1958
1925-1958
Radio tuning coil No. 150, 1922-1923
1922-1923
Pye B16T television receiver
1946-1948
Amateur radio call books, 1938 and 1951
1938 and 1951
Pye 'Cambridge International' 11-band broadcast receiver, 1953
1953
Straight horn loudspeaker, 1921-1926
1921-1926
Home-made equipment for 30-line television reception, 1929-1935
1929-1935
ATC Genie telephone, 1970-1984
1970-1984
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Six-stage super heterodyne receiver processed on the ECME system, 1936-1955
1936-1955
Amplion loud speaker with wooden horn, 1925
1925
Mazda QP.240 battery double output pentode valve (McVitie Weston valve collection), 1935
1935
'Radio at a glance' chart, 1925-1935
1925-1935
S.215 dummy valve, 1920-1929
1920-1929
Cosmos crystal receiver, 1920-1930
1920-1930