Magneto-ringing Ericsson telephone, 1892-1920
1892-1920
Impulse sender (dial), 1915
1915
CV1025 triode, 1906-1965
1906-1965
Loading coil, 1910-1930
1910-1930
Specimen of lightweight transatlantic telephone cable, 1961
1961
Enamelled notice regarding stone throwing, 1910-1936
1910-1936
'You may telephone from here' sign, 1910-1936
1910-1936
Mullard video output pentode, T.S.P.4, 1920-1936
1920-1936
Bell's harmonic telegraph receiver, 1925-1958
1925-1958
Amateur radio call books, 1938 and 1951
1938 and 1951
Home-made equipment for 30-line television reception, 1929-1935
1929-1935
Volume 1 No. 1 of "Television" monthly magazine, 1928
1928
Five-line single cord switchboard, 1900-1909
1900-1909
'Radio at a glance' chart, 1925-1935
1925-1935
Wartime civilian receiver A.C.mains type, 1944-1945
1944-1945
Sub unit from LEO II computer, 1958
1958
Pole climbing irons, 1900-1960
1900-1960
Replica of the satellite Telstar 1 from 1962, 1982
(1962); 1982
Demonstration radio receiver
1926
A T & T national telephone directory, October 1896
1896
Strowger automatic telephone, 1901-1910
1901-1910
Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916
1906-1916
Table instrument with dial, 1903
1903
'Channel' Band III television converter, type C2, 1955-1960
1955-1960
Specimen of television cable, 1936
1936
National Telephone Company directory, 1898-1899
1898-1899
'Radio Times' volume 119 (Coronation Edition)
May 1953
Strowger calling dial, 1906
1906
Lucas grapnel, 1888-1960
1888-1960
Filings coherer, glass tube with side pocket mounted on cylindrical rod with brass screw terminals at ends, 1894-1904
1894-1904
Coherer with coarse brass turnings, 1894
1894
Samaritans Sign, 1953-1960
1953-1960
Sample of four-core telegraph cable connecting Vancouver Island with the mainland
1904
Marconi coherer and Admiralty pattern decoherer, 1900-1910
1900-1910
Filings coherer, glass tube containing powdered copper, bulb at one end, 1894-1904
1894-1904
Filings coherer, Lodge pattern with two wires inserted into bulb at one end, 1894-1904
1894-1904
Blotter with Western Telegraph Company markings, 1900-1960
1900-1960
Flag from Cable Ship 'Faraday' (sunk 1941), 1923-1941
1923-1941
Specimens of Pacific cable in glazed presentation case, 1902-1923
1902-1923
Hand perforator and copy stand for Wheatstone automatic telegraph system, 1890-1910
1890-1910
'Leiber's Five Letter American Telegraph Code', book issued 1915
1915
Pair PVC insulated and sheathed cable, steel wire armour, 1930-1962
1930-1962
Receiving ‘jigger’ used by the Marconi Company, 1899
1899
Morse key with send-receive switch, 1900-1920
1900-1920
Cable for aerial installation, 1930-1962
1930-1962
Experimental model of Marconi's magnetic detector, 1900-1910
1900-1910
Filings coherer, Lodge pattern, 1895-1900
1895-1900
Morse tape on which signals were recorded by means of a coherer, 1900
1900
Ashtray and matchbox holder advertising the Eastern Telegraph Company, 1901-1929
1901-1929
Filings coherer, glass tube bent into U-shape at one end with bulb to form side-pocket on mounting bracket with terminals, 1894-1904
1894-1904