Title
Mid-19th century Phonautograph, 1872. Artist: Unknown
Caption
Mid-19th century Phonautograph, 1872. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack.
Oxford Science Archive
Date
1872
Credit line
Photo12/Heritage Images
Reference
HRM19B65_005
Model release
No
License type
Rights managed
Available size
50,0Mb (4,6Mb) / 16,1in x 12,1in / 4823 x 3621 (300dpi)