Title
In 1822 the French appointed commission to finding the speed of sound in air
Caption
In 1822 the French appointed commission to finding the speed of sound in air. Two hills near Paris chosen for the experiment at Villejuif and Montlhery. On each hill a gun was discharged. Observers on the other hill, by noting the time of flash and time a
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07103_460000573
License type
Rights managed
Available size
31,1Mb (5,1Mb) / 11,8in x 10,2in / 3543 x 3064 (300dpi)