Alexanderson alternator

1904 Alexanderson alternator

The book of science

Tom Sharp

Ernst Alexanderson electromagnetism

Alexanderson alternator

Transoceanic broadcasts

Alexanderson Day

The box

In 1903, Charles Proteus Steinmetz of GE delivered a ten-kilohertz alternator-transmitter, which Fessenden could not use as a radio transmitter. Ernst Alexanderson’s effort was far more successful; however, alternator-transmitters were eventually replaced by vacuum-tube transmitters.

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