Sujet
In 1822 the French appointed commission to finding the speed of sound in air
Légende
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
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07103_460000574
Licence
Droits gérés
Format disponible
25,2Mo (2,8Mo) / 30,0cm x 21,0cm / 3543 x 2483 (300dpi)