1 Resultaten gevonden voor "Bestand:Marconi_first_transatlantic_radio_transmitter_circuit_-_Poldhu_1901.png".

Bestand:Marconi first transatlantic radio transmitter circuit - Poldhu 1901.png

org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Circuit of Guglielmo Marconi's 1901 transatlantic radio transmitter....

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