Sujet

An electric helicopter with a9 h

Légende

Engraving depicting an electric helicopter with a 9 h.p. motor. Dated 20th Century

Date

20e siècle

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP23A14_437

Licence

Droits gérés

Format disponible

60,0Mo (6,5Mo) / 43,7cm x 34,4cm / 5160 x 4064 (300dpi)

Mots clés

20th Century Engraving Engraved Illustration Illustrated Electric Electricity Helicopter Flight Flying Aviation Transport Transportation Technology Tech Invention Inventor Motor 9 h.p. Motor Motor 20th Century