Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Bell Labs H4

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Bell Labs H4

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$20.00
Image title: 
Sound model of digit nine
Credit line: 
Photographic Illustration by Jack Steinberg, Bell Laboratories, courtesy AIP Emilio Segrè Visual Archives
Description: 

Solid sound model of the digit 'nine' - a three dimensional representation of time, frequency, and intensity of the sound, based on a two-dimensional spectrograph tracing. For more information see Bell Laboratories Record dated September, 1952, page 354 titled 'Solid Sound' by L.G. Kersta, Transmission Research.

Original format: 
1 photographic print (black and white; 10 x 8 inches)
Person(s): 
Bell Labs Innovations
Category: