Five hundred-line switch RVA 30314, 1970
1970
Telephone crossbar switch, Swedish Ericsson, 1921
1921
Telephone crossbar switch RVD 211, 1970
1970
Selector switch, 1903
1903
Cisco Catalyst 1200 switch, 1994
1994
Zither switch with open-wire multiple and two-motion ratchet drive, 1894
1894
Strowger step-by-step automatic telephone exchange switch, 1897-1898
1897-1898
Strowger two-motion selector with vertical mount, 1903-1920
1903-1920
Polarized 'guillotine' relay, 1862-1866
1862-1866
Electric light switch for wall
Bank of 50 Keith Line Switches, 1920-1925
1920-1925
Electrical switch for physiological use, London, England, 1920-1940
1920-1940
Wylex 60 Amp switches
1950-1965
Electric switch
Push-button ceramic bell switch
circa 1900
push-button ceramic bell switch
circa 1900
Electric switch
electric wall switch for cooker
Director switching device, 1927
1927
Strowger pre-2000 type group selector, 1920-1926
1920-1926
Switch Panel
Wylex 60 Amp switches
1950-1965
Push-button ceramic bell switch
circa 1900
Bank of 50 Keith Line Switches, 1920-1925
1920-1925
Strowger 2000-type final selector, 1936-1980
1936-1980
two line banks from Keith line bank, 1920-1925
1920-1925
Electric switch manufactured by Woodhouse & Rawson
1900
Strowger pre-2000 type final selector, 1920-1926
1920-1926
spare switch from Keith line bank, 1920-1925
1920-1925
two-motion selectors from Keith line bank, 1920-1925
1920-1925