Woman worker testing the "run-out" of impellers for a Rolls-Royce engine
View of a woman worker testing an impeller for a Rolls-Royce engine. Label on back: "Packard News Service. Testing the 'run-out' of the impellers. Here again the operating demands exacted of the new Packard-built Rolls-Royce engine is reflected by a 'run-out' limitation of two ten thousandths of an inch." Handwritten on back: "Women workers."