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To:
Senormechanico
They probably meant crystal radios.
18
posted on
04/27/2024 3:16:16 PM PDT
by
Redleg Duke
(“Who is John Galt?”)
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To:
Redleg Duke
Transistors came out in 50’s & 60’s.
26
posted on
04/27/2024 3:28:26 PM PDT
by
Bonemaker
(invictus maneo)
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