Edison's electric carbon filament lamp
1879
Steam locomotive, entitled Evening Star
1960
Replica of Bell's 1876 centennial telephone transmitter, 1959
1959
Brennan's Gyroscopic Mono-rail Car
1907
Phillip's Economic Computer
1949
Wolferton station master hand lamp
1870-1880
Technics SL-1210 Mk2 mode quartz synthesizer direct-drive turntable: one of two
1999
Dr. Mays and Dr. Prinz's Relay-operated logic machine
1951
Piece from the London University Computing Service Atlas computer
circa 1964
Experimental carbon pencil microphone, 1878-1890
1878-1890
Logic door from a Ferranti Mark I computer, 1951
1951
Two-valve short wave radio - telephonic receiver, 1927
1927
Powdered graphite microphone, 1878-1890
1878-1890
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
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
System X circuit board from digital switching subsystem, 1980
1980
Specimen of lightweight transatlantic telephone cable, 1961
1961
Telstar maser assembly with magnet, 1962-1967
1962-1967
Specimen of TAT3 cable, 1963
1963
BBC L1 lip microphone, 1937-1960
1937-1960
Crossley table telephone, 1879
1879
Prototype ‘Manpack’ ground terminals, 1980-1989
1980-1989
Experimental microphone, 1878-1890
1878-1890
Bell telephone, mahogany case, 1878
1878
Pentex production unit: B switch, 1965-1971
1965-1971
Experimental carbon block microphone, 1878-1890
1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Bright's bell telegraph, 1855
1855
Aerial inductances, 1901
1901
High frequency sliding inductance on wood base, 1900-1950
1900-1950
Henley's magneto electric double needle telegraph, 1848-1852
1848-1852
Experimental form of Marconi Company magnetic detector, 1900-1910
1900-1910
Single-needle telegraph by W. F. Cooke, 1840-1860
1840-1860
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Cable for aerial installation, 1930-1962
1930-1962
Atlantic cable specimen, 1865
1865
Low frequency iron core inductance, 1900-1950
1900-1950
Stroh's type-printer for Wheatstone ABC communicator, 1870-1881
1870-1881
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Specimen of Dover-Calais telegraph cable, 1851
1851
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Spiral spring coherer, 1890-1894
1890-1894
Rotary convertor, 1900-1950
1900-1950
Sample of submarine telegraph cable, 1866
1866
Cooke and Wheatstone double needle telegraph, 1844
1844
Filings coherer, glass tube with side-pocket attached to mounting bracket, 1894-1904
1894-1904
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858