Electrical interrupter
Interrupter for induction coil (early form)
1870
Mercury interrupter
1860-1890
App's clockwork interrupter
1890
Large interrupter by Alfred Apps, London
Hammer break interrupter by Ducretet & Lejeune
Clockwork interrupter with wooden cover
1904
Jet interrupter with motor
1900
Electrical interrupter
Mackenzie Davidson interrupter by Cox
1902
Early form of mercury interrupter
1880
Mercury interrupter
Mercury interrupter and rectifier
1905-1909
Foucault-type mercury interrupter with twin Ruhmkorff commutators
Four pole Wehnelt electrolytic interrupter
1910
Mercury interrupter driven by an electric motor
1890-1899