The Online Books Page

Books by John R. Erwin:

Books in the extended shelves:

• Erwin, John R.: Investigation of an impulse axial-flow compressor (National Advisory Committee for Aeronautics, 1950), also by Wallace M. Schulze, Langley Aeronautical Laboratory, and United States. National Adviosry Committee for Aeronautics (page images at HathiTrust)
• Erwin, John R.: Investigation of an impulse axial-flow compressor rotor over a range of blade angles (National Advisory Committee for Aeronautics, 1950), also by Wallace M. Schulze, Willard R. Westphal, Langley Aeronautical Laboratory, and United States. National Adviosry Committee for Aeronautics (page images at HathiTrust)
• Erwin, John R.: NACA 65-series compressor rotor performance with varying annulus-area ratio, solidity, blade angle, and Reynolds number and comparison with cascade results (National Advisory Committee for Aeronautics, 1953), also by Wallace M. Schulze, George C. Ashby, Langley Aeronautical Laboratory, and United States. National Adviosry Committee for Aeronautics (page images at HathiTrust)
• Erwin, John R.: Two-dimensional low-speed cascade investigation of NACA compressor blade sections having a systematic variation in mean-line loading (National Advisory Committee for Aeronautics, 1953), also by James C. Emery, Melvyn Savage, Langley Aeronautical Laboratory, and United States. National Adviosry Committee for Aeronautics (page images at HathiTrust)

Find more by John R. Erwin at your library, or elsewhere.