Sujet
A concave mirror
Légende
Engraving depicting a concave mirror. The diagram showing the virtual focus when the light source is inside the principal focus. Dated 19th Century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A15_198
Licence
Droits gérés
Format disponible
180,0Mo (8,8Mo) / 76,9cm x 58,6cm / 9083 x 6926 (300dpi)