Rear view of a two-lamp receiver
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Front view of a two-lamp receiver
Front view of a four-lamp receiver for all wave ba…
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Practising morse code
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Parts of a four-lamp receiver
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Three electrodes lamp
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Advertisement of Idzerda Radio
Corona-Phon, already version 2.1.2
Window and room antenna.
Idzerda was a radio pioneer, founding one of the first radio stations and the first commercial radio station.
For more info on Idzerda: Wikipedia – PCGG
And in Dutch: Inst. Nederlandse Geschiedenis – Idzerda
Wikipedia – Idzerda
From the book Radio voor amateurs of 1926. Originally an English book by Michael Egan, translated/reworked into Dutch by ir. W. Harmsen.
Window and room antenna.
Idzerda was a radio pioneer, founding one of the first radio stations and the first commercial radio station.
For more info on Idzerda: Wikipedia – PCGG
And in Dutch: Inst. Nederlandse Geschiedenis – Idzerda
Wikipedia – Idzerda
From the book Radio voor amateurs of 1926. Originally an English book by Michael Egan, translated/reworked into Dutch by ir. W. Harmsen.
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