
Title
Engineers from Bell Laboratories
Caption
American engineers from Bell Laboratories developing a directional waveguide antenna system, technique which has been largely developed during WWII under the name 'radar'.
Engineers on the picture: H. Bird Fischer, Deloss K. Martin et James D. Sarros.
1939
Date
1939
Credit line
Photo12/Collection Bernard Crochet
Reference
CRO18A00_192
License type
Rights managed
Available size
55,2Mb (2,5Mb) / 17,7in x 12,1in / 5315 x 3629 (300dpi)