Motor starting switch with no load and overload releases, magnetic blow out and grid resistance pen Motor starting switch with no load and overload releases circa 1905
Switch, the moving contact of which is formed by a metal spring Switch, the moving contact of which is formed by a metal spring
Track switch 8 for the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited, original component Track switch 8 for Elliot / NRDC 401 Computer MkI 1952-1953
Two sequence switches that were part of the alternator for the Elliott / NRDC 401 Computer MkI by Elliott Brothers (London) Limited, original components Two sequence switches that were part of the alternator for the Elliot / NRDC 401 Computer MkI 1952-1953
Selector switch type 4293C no.129112 by H. Tinsley and Co. Ltd, London, SE25, England, 1950-1960. Selector switch type 4293C no.129112 by H. Tinsley and Co. Ltd 1950-1960
Plug switch by the Eureka Scientific Co. Ltd. Plug switch by the Eureka Scientific Co. Ltd. 1928-1969
Supersignal switch, as used at the Biosignal Laboratory at the Institute of Psychiatry, London, England, established by Professor Hans Eysenck and Dr Paul Barrett to conduct psychological investigations into the relationship between psychophysical and psychometric measures; 1988-1994 Supersignal switch 1988-1994
Two supersignal switches, as used at the Biosignal Laboratory at the Institute of Psychiatry, London, England, established by Professor Hans Eysenck and Dr Paul Barrett to conduct psychological investigations into the relationship between psychophysical and psychometric measures; 1988-1994. Supersignal switch, as used at the Biosignal Laboratory at the Institute of Psychiatry 1988-1994
Seven of seven data switch units, as used at the Biosignal Laboratory at the Institute of Psychiatry, London, England, established by Professor Hans Eysenck and Dr Paul Barrett to conduct psychological investigations into the relationship between psychophysical and psychometric measures; 1988-1994 Seven of seven data switch units 1988-1994
Collection of E.J.A. Guardmaster safety switches and accessories in attaché case, by EJA Engineering, Wigan, Greater Manchester, England, 1990-1999 Collection of E.J.A. Guardmaster safety switches and accessories in attaché case
Mercury Tilt Switch, 240V A.C. Serial no.A44318, to patent no.762503. In metal wall box, removed from mains riser in Aeronautics Section of Centre Block, Science Museum. Manufactured by Engel & Gibbs Ltd., Elstree Way, Borehamwood, Herts. c.1957 Mercury Tilt Switch 1957
Pendant switch, metal, ribbed "barrel" type; lower knob pressed for "on", side knob for " off", by Siemans Pendant switch
Knife edge switch for switching large voltages. Mounted on slate switchboard, with fuses, connnections, etc. Likely made by Metropolitan vickers. switch
Two switches and one bracket for incandescent lamp by Lord Kelvin (1880) Two switches and one bracket for incandescent lamp by Lord Kelvin
Two main switches with sector shaped terminals and spring contacts Two main switches with sector shaped terminals
Electric flick switch made by General Electric Co. Ltd, England 1910. Electric flick switch made by General Electric Co. Ltd 1910
Electric flick switch, manufactured by J. H. Tucker & Co. Ltd, England, 1900 J. H. Tucker & Co electric flick switch 1900
Two fire alarm switches, one made of polyphenylene oxide (PPO), 1975, the second, older, design having a conventional cast metal body Two fire alarm switches 1975
Switch mode power supply, for use with Animatronic baby, including servos and cantilevers, by John Nolan, Stoke Newington, London, England, 2016 Switch mode power supply 2016
Isolator switch contained inside a wooden glass box, with a glass screen. Manufacturer unknown Isolator switch in a wooden box
Electric flick switch, manufactured by Wandsworth Electrical Co. Ltd, England, 1935 Wandsworth Electrical Co electric flick switch 1935
Mains Switch- flick switch in the middle. 'Mains Switch' is printed in the middle around the switch as well as manufacturer logo. Manufactured by Callenders and Company. Callenders and company mains switch
Electric rotary switch made by General Electric Company Ltd, Birmingham (England, UK), 1922. 250v, 5 Amp. Electric rotary switch made by General Electric Company Ltd 1922
Electric flick switch, manufactured by Wandsworth Electrical Co. Ltd, England, 1918 Wandsworth Electrical Co electric flick switch 1918
Electric flick switch, manufactured by Wandsworth Electrical Co. Ltd, England, 1938 Wandsworth Electrical Co electric flick switch 1938