Stud field regulator, 1900-1950
1900-1950
Specimen of the first transatlantic telephone cable, deep sea type, 1956
1956
Guard lamps on wooden board, 1900-950
1900-1950
Specimen of TAT3 cable, 1963
1963
Wolferton station master hand lamp
1870-1880
Cybernetic tortoise, developed to help with studies on brain function
1950-1952
Specimen of Dover-Calais telegraph cable, 1851
1851
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Atlantic cable specimen, 1865
1865
Sample of deep-sea section of first transatlantic cable, 1857-1858
1857-1858
Sample of submarine telegraph cable, 1866
1866
Moving magnet galvanometer with dial inscribed "Greenwich Mean Time", 1843-1897
1843-1897
Prototype ‘Manpack’ ground terminals, 1980-1989
1980-1989
Telstar maser assembly with magnet, 1962-1967
1962-1967
Logic door from a Ferranti Mark I computer, 1951
1951
Light-bulb, filament, carbon
About 1890
Steam locomotive No. 1 'Locomotion', Stockton & Darlington Railway
1825
Steam locomotive, entitled Evening Star
1960
High frequency sliding inductance on wood base, 1900-1950
1900-1950
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Copper busbars and ebonite insulators, 1900-1950
1900-1950
Stock Exchange automatic telegraph, 1872-1880
1872-1880
Replica of Bell's 1876 centennial telephone transmitter, 1959
1959
Rotary convertor, 1900-1950
1900-1950
Ring transformer, 1892
1892
Two-valve short wave radio - telephonic receiver, 1927
1927
Impulse sender (dial), 1915
1915
System X circuit board from digital switching subsystem, 1980
1980
Iolanda transformer in wooden box, 1900-1950
1900-1950
Siemens and Halske's ABC Telegraph used in Russia
1850-1897
Low frequency iron core inductance, 1900-1950
1900-1950
Bell telephone, mahogany case, 1878
1878
Patient side cart, from da Vinci® Classic surgical system
1999-2001
Surgeon console, from da Vinci® Classic surgical system
1999-2001
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Experimental transmitting ‘jigger’ used by the Marconi Company, 1899
1899
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Billi condenser used for aerial tuning in Newfoundland, 1901
1901
Experimental form of Marconi Company magnetic detector, 1900-1910
1900-1910
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Aerial inductances, 1901
1901
London & North Eastern Railway Steam Locomotive, 'Flying Scotsman'
1923
BBC L1 lip microphone, 1937-1960
1937-1960
'You may telephone from here' sign, 1910-1936
1910-1936
Wall telephone, 1880-1920
1880-1920
Experimental carbon block microphone, 1878-1890
1878-1890
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Wall telephone with battery box, 1880-1940
1880-1940
Mechanical telephone, 1880-1920
1880-1920
Wheatstone automatic tape transmitter, 1840-1860
1840-1860