Front view of a two-lamp receiver
Front view of a four-lamp receiver for all wave ba…
Radio station Daventry
Front view of a cristal receiver
Innards of a four-lamp receiver
Practising morse code
Before the iPod we had portable radios
Connections of a cristal receiver
Varta radio battery
Advertisement of Radio Schiere and Weston Radio
Battery acidity tester
Parts of a four-lamp receiver
Amplion loudspeaker
Advertisement of Connector radios
Rear view of a two-lamp receiver
Advertisement of Idzerda Radio
Three electrodes lamp
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Authorizations, license
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210 visits
Radio station Hilversum
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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