Training in industrial plants. A manual for American industries setting forth the theory and practice of industrial training ... - Washington, Govt. Print. Off., 1919. - 30 p. diagrs. 23 cm. - Training bulletin, no. 14 .

At head of title: U.S. Department of Labor. United States Training Service, C.T. Clayton, director. Prepared by James F. Johnson, chief of training methods.

l 19000045


Technical education.
Technical education--United States.

T73 / .A25 no. 14