A machine that converts mechanical energy to electrical energy by applying the principle of magnetic induction.

A generator (dynamo) dating from around 1900.

This shows a very open frame design.

Electricity is generated by repeatedly passing a conductor or series of conductors through the magnetic field of a series of magnets.

Third Brush

A generator in which a third, movable brush is used to control current output.

See also: Alternator, Electric Motors, Generating Capacity.

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Subjects: Electrical Engineering Electromagnetism