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MID-19TH CENTURY PHONAUTOGRAPH, 1872.
Mid-19th century Phonautograph, 1872. Tuning fork vibrated by bow or iron rod, and vibration traced on cylinder coated with lampblack. (KEYSTONE/HERITAGE IMAGES/Oxford Science Archive)
Instruktionen
COPYRIGHTPFLICHTIG BW ONLY
Lizenz
Rights Managed
Erstellungsdatum
Ort
Credit
KEYSTONE
Source
HERITAGE IMAGES
Byline
OXFORD SCIENCE ARCHIVE
Grösse
4823 x 3621 px
Dateityp
JPEG