Sujet
Giant galvanometer
Légende
Giant galvanometer (instrument for measuring small electric currents) in the Physics Laboratory, Cornell University. Wood engraving 1886
Date
1886
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP07104_460001316
Licence
Droits gérés
Format disponible
32,7Mo (5,2Mo) / 27,3cm x 30,0cm / 3224 x 3543 (300dpi)