Impingement of Cloud Droplets on a Cylinder and Procedure for Measuring Liquid-water Content and Droplet Sizes in Supercooled Clouds by Rotating Multicylinder Method by United States. National Advisory Committee for Aeronautics, Hermon M. Parker, Alfred Gessow, Norman S. Silsby, John R. Spreiter, Wilber B. Huston, T. H. Skopinski, E. R. G. Eckert, Kenneth B. Amer, Alberta Alksne, G. Chester Furlong, Georege J. Pack, A. J. Diagula, J. N. B. Livingood, Thomas V. Bollech, W. E. Phillips