"Manuscript and illustrations ... prepared for publication by the Summary Reports Group of the Columbia University Division of War Research under contract OEMsr-1131." Half-title: Summary technical report of the National Defense Research Committee. Includes index. The subject indexes of all Summary Technical Report volumes are combined in a master index printed in a separate volume. Originally: Secret. Spine title: Aerosols and real gases.

v. 1. Military problems with aerosols and nonpersistent gases.