Sujet
Sergius P. Grace
Légende
Sergius P. Grace, Assistant Vice-President of the Bell Telephone Laboratories, makes speech and music issue from the burning electric arc in the center of the projector shown in the photograph circa 1930
Date
01 févr. 1930
Crédit
Photo12/Universal Images Group/HUM Images
Notre référence
UMG22A04_091
Model release
Non
Property release
Non
Licence
Droits gérés
Format disponible
43,9Mo (3,1Mo) / 38,0cm x 28,9cm / 4485 x 3418 (300dpi)