Credit: JESSICA WILSON/SCIENCE PHOTO LIBRARY

Caption: Edison and his phonograph. Thomas Alva Edison (left, 1847-1931), US inventor and businessman, demonstrating the workings of his favourite invention, the phonograph. This machine was used to record and play back sounds. Turning the handle moved a foil-wrapped cylinder past a needle. Sound was transmitted by a receiving device attached to the needle, causing the needle to vibrate and leave a trace on the foil. A sound amplifier was then attached to the receiver, the needle was placed at the beginning of the trace, and the cylinder was rotated to produce distorted but recognisable sounds. Edison developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and a long-lasting, practical electric light bulb.

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Keywords: 19th century, 20th century, adult, american, caucasian, digital rostrum, edison, engineer, historical, history, human, invention, inventor, ken burns effect, machine, male, man, men, music, people, person, phonograph, portrait, rostrum camera, rostrum effect, rostrum montage, scientist, sound recording, speaking, t edison, ta edison, technology, thomas a edison, thomas alva edison, thomas edison, tom, united states, us, usa, white

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Edison and his phonograph

K005/3492 Rights Managed

Downloadable master

Duration: 00:00:18.07

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 432.7M

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Capture format: Digital Rostrum

Codec: Photo - JPEG

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