Electricity

Γλώσσα English

Absolute Electrometer, Braun’s

Ruhmkorff's coil

Variable condenser

Bell jar with a sliding rod

Polarized Telegraph Relay

Wheatstone bridge

Ruhmkorff's coil

Electric machine after Wimshurst ...

Wireless Telegraphy Demonstration Apparatus after Marconi

Accesoire of Carré Electrostatic machine

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