Handbook of industrial radiology / by members of the Industrial Radiology Group of the Institute of Physics ; edited by J. A. Crowther. Industrial radiology. Crowther, James Arnold, 1883- ed. Institute of Physics (Great Britain) X-rays Industrial applications. Gamma rays. TA407 .I49 1949 620.112 CRH Includes bibliographical references and index. London : Arnold, 1944. 1944. 1944 Text viii, 203 p. : eng