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_197
Licence
Droits gérés
Format disponible
180,0Mo (7,0Mo) / 100,2cm x 45,0cm / 11839 x 5314 (300dpi)