by Clyde C. Swett, G. B. Schubauer, H. B. Tolefson, Harvard Lomax, Naca Subcommittee on Power-Plant Materials, R. I. Sears, Robert R. McCready, Robert T. Jones, William R. Mickelsen, United States. National Advisory Committee for Aeronautics, C. F. Merlet, Max. A. Heaslet, Norman E. Ernstein, P. S. Klebanoff, L. W. Putland
by Clyde C. Swett, G. B. Schubauer, H. B. Tolefson, Harvard Lomax, Naca Subcommittee on Power-Plant Materials, R. I. Sears, Robert R. McCready, Robert T. Jones, William R. Mickelsen, United States. National Advisory Committee for Aeronautics, C. F. Merlet, Max. A. Heaslet, Norman E. Ernstein, P. S. Klebanoff, L. W. Putland
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