180с

1933г

MACHINE SHOP SCIENCE AND MATHEMATICS

RELATED SCIENCE AND MATHEMATICS FOR

VOCATIONAL CLASSES

BT

4

JOSEPH J. EATON, M.A.

DIRECTOR OF VOCATIONAL EDUCATION, YONKERS, N. Y.

ALBERT V. FREE, B.S.

INSTRUCTOR OF SCIENCE, SAUNDERS TRADES SCHOOL YONKERS, N. Y.

THE MANUAL ARTS PRESS

PEORIA., ILLINOIS