The Phonograph
Thomas Edison
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In the autumn of 1877, Thomas Edison sketched an idea his mechanic John Kruesi built within days: a cylinder wrapped in tinfoil, a diaphragm, and a needle that etched sound waves into the foil as it turned — then played them back. That December Edison recited 'Mary had a little lamb' into the machine and heard his own voice come back at him. Sound had become a thing you could keep.
The phonograph stunned the Victorians. Newspapers called it a talking machine, and crowned heads requested demonstrations. Edison first imagined it as a business dictation tool, but the public wanted music and marvels — phonograph parlors sprang up where customers paid to hear recorded songs through ear tubes.
From tinfoil cylinders came wax records, then discs, then tapes and digital files. Edison filed the patent in December 1877 and it was granted in February 1878. The phonograph didn't just record sound — it invented the idea that a performance could be owned, replayed, and sold.
Frequently asked
What was the first thing ever recorded on the phonograph?
'Mary had a little lamb,' recited by Edison himself in December 1877 — the first words ever recorded and played back.
How did the first phonograph work?
A needle attached to a diaphragm etched sound vibrations onto tinfoil wrapped around a hand-cranked cylinder; running the needle back over the groove replayed the sound.
What did Edison invent the phonograph for?
He first imagined it as a business dictation tool, but the public wanted music and marvels — phonograph parlors sprang up where customers paid to hear songs through ear tubes.
Why it matters today
The recorded-music industry, the podcast in your ears, and every voice note you have ever sent descend from Edison's tinfoil cylinder — the phonograph invented replayable sound.
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