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
Pole climbing irons, 1900-1960
1900-1960
Jubilee telephone wall mounting, 1977
1977
Replica of Bell's 1876 centennial telephone transmitter, 1959
1959
Ratchet and tongs for tensioning telegraph and telephone wire, 1900-1969
1900-1969
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Magneto-ringing Ericsson telephone, 1892-1920
1892-1920
Submarine repeater valve, 1950-1960
1950-1960
Speech memory board from System X Automatic Announcement Subsystem, 1979-1985
1979-1985
Thorn-Ericsson 'Astrofon' telephone, 1981
1981
Section of TAT-8 transatlantic optical fibre cable, 1989
1989
Telephone crossbar switch RVD 211, 1970
1970
Selector switch, 1903
1903
Deltaphone Deluxe telephone, 1979-1985
1979-1985
Replicas of Alexander Graham Bell's 1879 'Patent Office' telephone, 1959
1959
Post Office 746 telephone, 1967-1971
1967-1971
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
Bell telephone, mahogany case, 1878
1878
BT Ambassador 8100R telephone, 1981
1981
Table instrument with dial, 1903
1903
Grey ATA 31/34 telephone with dial, 1965-1968
1965-1968
Telephone in two-tone light blue and grey, 1984
1984
Telsa T65H telephone, 1950-1967
1950-1967
NEC 600P push-button telephone, 1981
1981
Croma telephone with dial, 1976
1976
Red HD671-11 telephone, 1960-1982
1960-1982
Domino black and ivory telephone handset, 1981
1981
Experimental carbon block microphone, 1878-1890
1878-1890
Specimen of lightweight transatlantic telephone cable, 1961
1961
Submarine repeater pentode P.O. type 10P, 1950-1970
195-1970
Powdered graphite microphone, 1878-1890
1878-1890
Experimental carbon pencil microphone, 1878-1890
1878-1890
Pentex production unit: B switch, 1965-1971
1965-1971
Experimental microphone, 1878-1890
1878-1890
Experimental microphones with carbon pencils and cups, 1878-1890
1878-1890
Submerged repeater amplifier, 1967
1967
Granular microphone in glass tube, 1878-1890
1878-1890
Crossley table telephone, 1879
1879
Part of Rugby transatlantic telephone transmitter, 1927-1956
1927-1956
Submerged repeater for TAT-1, 1956
1956
'You may telephone from here' sign, 1910-1936
1910-1936
Wall telephone, 1880-1920
1880-1920
National Telephone Company directory, 1898-1899
1898-1899
A T & T national telephone directory, October 1896
1896
Wall telephone with battery box, 1880-1940
1880-1940