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Phonograph
Thomas Edison a great entrepreneur who already created the electric light bulb. The phonograph was the earliest way to listen to music. -
Kinetograph
To invent the Kinetograph Edison wanted a partner to help him, he chose William Dickson. At Edison's laboratory Dickson invented the first motion picture camera. The Kinetograph allowed a singular user at a time. Sometimes there were plenty Kinetograph and you would go down the line watching people box or cats.