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_217
Licence
Droits gérés
Format disponible
180,0Mo (3,3Mo) / 97,1cm x 46,5cm / 11466 x 5487 (300dpi)