this post was submitted on 25 Jul 2025
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Review from Dec 22, 1877 - Edison demonstrates his 'talking phonograph' for the Scientific American (infosec.pub)
submitted 1 week ago* (last edited 1 week ago) by kalkulat@lemmy.world to c/science@lemmy.world
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Twenty years later, Edison would be selling (his lowest cost) cylinder phonographs for US $20. At the time, East coast pro carpenters were making about $2.50 a day.

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[–] Admetus@sopuli.xyz 1 points 1 week ago

'His'.