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Museum of Portable Sound · @museumofportablesound
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The world’s first portable electric megaphone was produced by Japanese company TOA in 1954.

#megaphone #bullhorn #electric #electricity #portable #portablesound #ToA #1950s #1950sfashion #japan #amplification #amplifier #loud #sound #cultureofsound #soundbeyondmusic

Last updated 3 years ago
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