
Sujet
Coolidge X-Ray Tube Inventor
Légende
Schenectady, New York: July 28, 1923
Dr. William D. Coolidge of the General Electric Company, inventor of the Coolidge X-Ray tube, with the newest type of tube and it's portable mechanism.
July 28. 1923
Date
28 juil. 1923
Crédit
Photo12/Underwood Archives/UIG
Notre référence
UMG20A12_203
Model release
Non
Property release
NA
Licence
Droits gérés
Format disponible
47,8Mo (7,1Mo) / 29,4cm x 40,6cm / 3478 x 4800 (300dpi)