
Sujet
Hermann Sprengel's vacuum pump
Légende
Engraving depicting Hermann Sprengel's vacuum pump. Hermann Sprengel (1834-1906) a German-British chemist. Dated 19th Century
Date
19e siècle
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP23A15_337
Licence
Droits gérés
Format disponible
60,0Mo (742,8Ko) / 28,9cm x 52,1cm / 3408 x 6154 (300dpi)