@SFOMuseum Twitter Posts
This is SFO Museum's archive of the @SFOMuseum Twitter account.
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The RCA X-11, a compact, novelty #Bakelite#radio, used miniature multi-unit tubes that were developed during the Second World War and introduced to the civilian radio market in 1946. #RadioSFO#radios .
This tweet was posted on June 20, 2018.
