Title
Sound Travel
Caption
Experiment ot show that sound needs a medium in which to travel. When air in jar is in normal state the bell is audible. When air is evacuated no sound is heard. From ''Sound'' by John Tyndall, London, 1867.
Date
1867
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP18A08_483
License type
Rights managed
Available size
60,0Mb (1,4Mb) / 11,5in x 20,3in / 3438 x 6099 (300dpi)