Folder: S.F. Hospitals-Letterman-Interior (See also: Oversize).
On back: "U. S. SIGNAL CORPS PHOTO; PLEASE USE CREDIT; NINTH SERVICE COMMAND, PRESIDIO OF SAN FRANCISCO. At Letterman General Hospital approximately four hundred men of the Amy Medical Department are in training as technicians. Here three student medicos demonstrate shoulder and head bandage technique. PHOTOGRAPHER: Cpl. Brock.".