CHAS. WILBUR LEIGH, B. S.
Associate Professor of Mathematics, Armour Institute of Technology.
L. W. LEWIS
Advertising Manager, The McCaskey Register Co.
MARTIN W. RUSSELL
Registrar and Treasurer, American School of Correspondence.
HALBERT P. GILLETTE, C. E.
Managing Editor, Engineering-Contracting.
Author of "Handbook of Cost Data for Contractors and Engineers."
R. T. MILLER, JR., A. M., LL. B.