Transactions of American Society for Volume IV A Published by American Society for Steel Treating 4600 Prospect Avenue Ohio National Research Council, Instrument Mfrs. and Users H. S. Brainerd J. E. Halbing W. M. Mitchell J. J. Crowe H. J. French, Frank Garrett National Research Council, Division of Engineering, Committee on Hardness Testing R. T. Bayless National Research Council, Division of Engineering, Committee on Heat Treatment of Carbon Steels, W. J Merten |