407с

1924г

• r,0 W3H

i-W^ 3KS,

AW MA^jERIALSOT INDUSTRIALISM

HUGH B. KtLLOUGH, Ph.D

ASSOCIATE PROFESSOR OF ECONOMICS, BROWN UNIVERSITY

and Hi LUCY W. KILLOUGH, Ph.D.

ASSISTANT PROFESSOR OF ECONOMICS, WELLESLEY COLLEGE

THOMAS Y. CROWELL COMPANY publishers : : new york