Sujet
RCA's New Radio Beam System
Légende
Rocky Point, Long Island, New York: 1928
RCA's new projector, the latest and most efficient radio beam system of communicatio ever devised, is now operating. Note man on top of nearest antannae.
Date
01 janv. 1928
Crédit
Photo12/Underwood Archives/UIG
Notre référence
UMG20A13_164
Model release
Non
Property release
NA
Licence
Droits gérés
Format disponible
44,3Mo (5,6Mo) / 27,3cm x 40,6cm / 3223 x 4800 (300dpi)