The SciencesPunching Glass Lenses, Metal Surface is Liquid and moreBy F. D. Mchugh, Alexander Klemin, A. E. BUCHANAN, Jr. on May 1, 1934AdvertisementABOUT THE AUTHOR(S)Recent Articles by F. D. MchughQuartz-Like Glass, New X-Ray Units for Fighting Cancer, and moreStopping The Marine Borer, Trunk-Size Refrigerated Container, and moreMachines Pick Cotton, But—Recent Articles by Alexander KleminInstrumentation, Measurement, and ControlMust Flying be a "Racket"?Ideas in the AirRecent Articles by A. E. BUCHANAN, Jr.Detecting One Ten-Millionth of a Volt