Transactions

of

American Society for
Steel Treating

Volume IV
July, 1923-December, 1923

A

Published by

American Society for Steel Treating

4600 Prospect Avenue

Cleveland

Ohio

AMERICAN SOCIETY FOR STEEL TREATING

BOARD OF DIRECTORS AND OFFICERS

National Research Council, Instrument Mfrs. and Users
American Society of Mechanical Engineers, Committee on Research in the Machine Tool Industry

H. S. Brainerd J. E. Halbing W. M. Mitchell J. J. Crowe

H. J. French, Frank Garrett
R. T. Bayless

National Research Council, Division of Engineering, Committee on Hardness Testing
National Research Council, Division of Engineering, Committee on Heat Treatment of Carbon Steels, W. J Merten