Phonograph
Diagram engraving showing components of a phonograph, along with a woman demonstrating how it is used. The phonograph worked by a small needle vibrating along a jagged groove and transmitting these vibrations to an amplifier via a small magnetic field
Picture No
10215493
Media ID
46344380
Size
6354px x 3800px
(3.5MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
The Illustrated London News, 3 August 1878, page 109
Date
1878
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Amplifier Demonstrating Diagram Groove Jagged Magnetic Needle Phonograph Transmitting Vibrating Vibrations
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