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Keywords

radio
four lamps
harmsen
W. Harmsen
ir. W. Harmsen
michael egan
radio voor amateurs
ontvanger
receiver
egan
kosmos
1926
boek
scan
book
vierlamps


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Front view of a four-lamp receiver for all wave bands

Front view of a four-lamp receiver for all wave bands
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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