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_218
Licence
Droits gérés
Format disponible
180,0Mo (3,4Mo) / 83,8cm x 53,8cm / 9897 x 6357 (300dpi)