sponsored by the Metal Properties Council, inc. ; edited by R. M. Curran. sponsored by the Metal Properties Council, Inc. ; edited by Carl W. Lawton. sponsored by the Metal Properties Council, inc. ; edited by A. O. Schaefer. prepared for the Metal Properties Council, by Erhard Krempl. Prepared for the Metal Properties Council by G. V. Smith. sponsored by the Empire Rheumatism Counicil. edited by A. O. Schaefer ; sponsored by the Metal Properties Council. Metal Properties Council.