Transport
Early car radios needed their own battery
HERE’S THE INTERESTING PART
Imagine wanting to listen to the news so badly you give up half your legroom. The first commercial car radios in the 1930s were colossal vacuum-tube monstrosities that took up the entire passenger floorboard. They also ran entirely on a secondary battery that had to be swapped out constantly. All that effort just to hear a staticky soap opera.
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