Sujet
thermionic tube or thermionic valve
Légende
thermionic tube or thermionic valve Invented in about 1910, were a basic component for electronics throughout the first half of the century, which saw the diffusion of radio, television, radar, sound reinforcement
Date
1910
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP18A30_304
Licence
Droits gérés
Format disponible
29,8Mo (1,3Mo) / 23,3cm x 32,0cm / 2755 x 3780 (300dpi)