Public domain
Nurse training. Student nurses may often assist doctors at operations, but a specially trained anaesthetist must give the anaesthetic
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineNurse training. Student nurses may often assist doctors at operations, but a specially trained anaesthetist must give the anaesthetic. 1942-01-01. United States. Office Of War Information, Henle, Fritz. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.