Phonautograph (c 1857) apparatus for studying
Phonautograph (c 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Plaster of Paris barrel with brass tube at a with hog's bristle attached to trace vibrations produced in AB on lampblacked cylinder C. Engraving 1906
Picture No
13919576
Media ID
48468053
Size
6000px x 4907px
(4.3MB)
Credit
World History Archive / Mary Evans Picture Library
Source
World History Archive
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Bristle Cylinder Edouard Graphically Hogs Invented Plaster Studying Trace Vibrations
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