Starting when vintage portable radios were finally small enough to be carried in the 1950s, through when they got almost too big to carry in the '80s, here's a little sound history of AM & FM radios from the days of transistors onward.
Old portable radios were marvels of technology from the 1950s to the 1980s - Click Americana
Click Americana
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Old portable radios were marvels of technology from the 1950s to the 1980s - Click Americana
Click Americana
Radio transistor frequency broadcast audio, premium image by rawpixel.com
Radio - Digital, Broadcasting, Technology
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Transistor radio 50s hi-res stock photography and images - Alamy
Portable radios hi-res stock photography and images - Alamy
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Old portable radios were marvels of technology from the 1950s to the 1980s - Click Americana
The history of car radios, from AM to Apple - The Globe and Mail