Sujet
Engraving of a Coelostat by Léon Foucault
Légende
Engraving of a Coelostat by Léon Foucault (1819-1868) a French physicist. A Coelostat is an instrument with a rotating mirror that continuously reflects the light from the same area of sky, used for monitoring the path of a celestial object. Dated 19th Century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A13_315
Licence
Droits gérés
Format disponible
60,0Mo (4,2Mo) / 41,8cm x 35,9cm / 4941 x 4245 (300dpi)