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_212
Licence
Droits gérés
Format disponible
180,0Mo (11,1Mo) / 77,2cm x 58,4cm / 9120 x 6899 (300dpi)