Portable audio existed decades before Apple introduced the iPod in 2001—it even predates Sony’s iconic Walkman cassette player by 25 years. Yes, long before both of those milestones there was the transistor radio, a fantastic pocket-size “music player” that for the first time made it possible to tune into your favorite AM radio station no matter where you were.
History of 45 RPM Vinyl Singles
History Detectives, Early Transistor Radio, Season 10, Episode 7
It looks like a old telephone but is has no speaker or a way to plug something else in besides the plug attached. : r/whatisthisthing
Retro Houston - KILT TOP 40 - Here's an AM radio flashback
Book : Transistor Radios 1954-1968, with price guide
TI announces 1st transistor radio, October 18, 1954 - EDN
The Transistor Radio Launches the Portable Electronic Age, At the Smithsonian
History of Radio
Michael Peters: The Birth of Loop (1996-) – livelooping
Brian Wilson - Wikipedia