Morse type switch
1885-1910
tumbler and pattern electric switches for domestic lighting
1900
Switch and fuse box mounted on wooden panel
1880-1930
Motor car light switch
1919
Four-bank 72 delta network
1952
Interlocking switch and plug
1889
Simple du Bois-Reymond or Sherrington key switch
1968-1986
Contremoulins-Gaiffe switch for coil induction
1901-1910
Push-pull switch
Morse/tapping key switch on wooden base
1986
Ducretet switch
1893
Demonstration lighting and horn system
Switch
1920-1930
Switch
1920-1930
White china switch and fuse box attached to rectangular wooden frame
1880-1920
Two 3-pole switches for attaching to bench by clamp
Switched plug by Lundberg,1895
1895
Governer for electrical device
1870-1910
Wooden panel with two mechanically linked switches and two fuses
1910