Physics in industry: by K. T. Compton, E. C. Sullivan, Zay Jeffries, E. Q. Adams, Paul D. Foote, J. P. Den Hartog, John Ely Burchard, Oliver E. Buckley, Clark B. Millikan, Joseph Slepian, Homer L. Dodge and A. R. Olpin. 290 pages, plates, illustrations, 13 × 20 cms. New York, The American Institute of Physics. Price $1.50