Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Business and Engineering Administration, 1934.MIT copy bound with: An economic study of the nickel industry / Rene G. DuBois and W. Leslie Doten -- Development of the recorder method of radio broadcast analysis / Arthur C. Esslinger.Includes bibliographical references (leaf 60).by Constantine S. Dadakis and Edwin J. Geittmann.B.S