Sujet
Bell Lab Scientists At Work
Légende
United States: December, 1957.
E.I. Doucette, H.A. Stone, and R.M. Warner, Jr. testing their new field-effect varistor that they invented at Bell Telephone Laboratories.
Date
01 janv. 1957
Crédit
Photo12/Underwood Archives/UIG
Notre référence
UMG20A21_251
Model release
Non
Property release
NA
Licence
Droits gérés
Format disponible
52,8Mo (6,6Mo) / 32,5cm x 40,6cm / 3844 x 4800 (300dpi)