Sujet
Speaking Trumpet
Légende
Using a speaking trumpet to communicate on deck of a ship. Within limits, the larger the trumpet the further the voice will carry. From ''Natural Philosophy'' by A. Ganot, London, 1887
Date
1887
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP18A08_489
Licence
Droits gérés
Format disponible
60,0Mo (3,8Mo) / 46,7cm x 32,2cm / 5517 x 3801 (300dpi)