Sujet
Phonautograph
Légende
Phonautograph (c. 1857) apparatus for studying sound vibrations graphically, invented by (Edouard) Leon Scott de Martinville. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack. Engraving, 1872
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07103_460000468
Licence
Droits gérés
Format disponible
27,0Mo (3,2Mo) / 30,0cm x 22,5cm / 3543 x 2660 (300dpi)