Diane Bruce VA3DB on Nostr: At the library today Homemade crystal set, RCA Radiola III Ambotone speaker with ...
At the library today
Homemade crystal set, RCA Radiola III Ambotone speaker with another homemade receiver, two pairs of vintage headphones. All from 1920s.
I unexpectedly saw this in a local library.
#AmateurRadio #HamRadio #Ottawa #Radio #History
Published at
2024-09-05 19:40:33Event JSON
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