The Online Books Page

Books by John H. Povolny:

Books in the extended shelves:

• Povolny, John H.: Correlation of cylinder-head temperatures and coolant heat rejections of a multicylinder, liquid-cooled engine of 1710-cubic-inch displacement (U.S. Government Printing Office, 1950), also by Bruce T. Lundin, Louis J. Chelko, and United States National Advisory Committee for Aeronautics (page images at HathiTrust)
• Povolny, John H.: Exploring in aerospace rocketry (National Aeronautics and Space Administration, 1968), also by Lewis Research Center (page images at HathiTrust)
• Povolny, John H.: Internal performance of several divergent-shroud ejector nozzles with high divergence angles (National Advisory Committee for Aeronautics, 1957), also by Arthur M. Trout, S. Stephen Papell, Lewis Flight Propulsion Laboratory, and United States. National Adviosry Committee for Aeronautics (page images at HathiTrust)

Find more by John H. Povolny at your library, or elsewhere.