Telephone crossbar switch, Swedish Ericsson, 1921
1921
Desk telephone transmitter and receiver (sectioned), 1926.
1926
Specimen of the first transatlantic telephone cable, deep sea type, 1956
1956
'You may telephone from here' sign, 1910-1936
1910-1936
Pole climbing irons, 1900-1960
1900-1960
Wall telephone, 1880-1920
1880-1920
Experimental carbon block microphone, 1878-1890
1878-1890
National Telephone Company directory, 1898-1899
1898-1899
A T & T national telephone directory, October 1896
1896
Jubilee telephone wall mounting, 1977
1977
Replica of Bell's 1876 centennial telephone transmitter, 1959
1959
Wall telephone with battery box, 1880-1940
1880-1940
Ratchet and tongs for tensioning telegraph and telephone wire, 1900-1969
1900-1969
Mechanical telephone, 1880-1920
1880-1920
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Edison telephone, 1879
1879
Magneto-ringing Ericsson telephone, 1892-1920
1892-1920
Submarine repeater valve, 1950-1960
1950-1960
Specimen of lightweight transatlantic telephone cable, 1961
1961
'Supercom' text telephone, 1999
1999
Speech memory board from System X Automatic Announcement Subsystem, 1979-1985
1979-1985
Bell's harmonic telegraph receiver, 1925-1958
1925-1958
Enamelled notice regarding stone throwing, 1910-1936
1910-1936
Thorn-Ericsson 'Astrofon' telephone, 1981
1981
Submarine repeater pentode P.O. type 10P, 1950-1970
195-1970
Samaritans Tyneside 25th Anniversary mug, 1990
1990
Part of Rugby transatlantic telephone transmitter, 1927-1956
1927-1956
Powdered graphite microphone, 1878-1890
1878-1890
Loading coil, 1910-1930
1910-1930
Section of TAT-8 transatlantic optical fibre cable, 1989
1989
Five-line single cord switchboard, 1900-1909
1900-1909
Poster from The Samaritans, 1965-1990
1965-1990
Telephone crossbar switch RVD 211, 1970
1970
Experimental carbon pencil microphone, 1878-1890
1878-1890
Selector switch, 1903
1903
Deltaphone Deluxe telephone, 1979-1985
1979-1985
Domino black and ivory telephone handset, 1981
1981
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Pentex production unit: B switch, 1965-1971
1965-1971
Strowger automatic telephone, 1901-1910
1901-1910
Impulse sender (dial), 1915
1915
Post Office 746 telephone, 1967-1971
1967-1971
Strowger calling dial, 1906
1906
706L telephone, 1959-1967
1959-1967
Replica of Bell's 1876 'iron-box' receiver, 1959
1876
Jubilee telephone with external bell box, 1977
1977
Specimen of TAT3 cable, 1963
1963
Experimental microphone, 1878-1890
1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Submerged repeater amplifier, 1967
1967