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
Section of TAT-8 transatlantic optical fibre cable, 1989
1989
Specimen of TAT3 cable, 1963
1963
Speech memory board from System X Automatic Announcement Subsystem, 1979-1985
1979-1985
Mullard video output pentode, T.S.P.4, 1920-1936
1920-1936
Home-made equipment for 30-line television reception, 1929-1935
1929-1935
Amateur radio call books, 1938 and 1951
1938 and 1951
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
706L telephone, 1959-1967
1959-1967
Sub unit from LEO II computer, 1958
1958
Pole climbing irons, 1900-1960
1900-1960
Demonstration radio receiver
1926
Pentex production unit: B switch, 1965-1971
1965-1971
Deltaphone Deluxe telephone, 1979-1985
1979-1985
Silicon crystal for wireless telegraphy, mounted in a locket, 1906-1916
1906-1916
Table instrument with dial, 1903
1903
Specimen of television cable, 1936
1936
Poster from The Samaritans, 1965-1990
1965-1990
National Telephone Company directory, 1898-1899
1898-1899
Samaritans Tyneside 25th Anniversary mug, 1990
1990
Submerged repeater amplifier, 1967
1967
'Radio Times' volume 119 (Coronation Edition)
May 1953
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
Polythene insulated copper conductor cable, 1939-1969
1939-1969
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
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
Pair PVC insulated and sheathed cable, steel wire armour, 1930-1962
1930-1962
Cable for aerial installation, 1930-1962
1930-1962
Morse key with send-receive switch, 1900-1920
1900-1920
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
Filings coherer, glass tube almost of taper shape, 1894-1904
1894-1904
Coaxial cable sample, 1948-1967
1948-1967
Filings coherer, Lodge-Muirhead system, 1900-1910
1900-1910