254с

1935г

LABORATORY and WORKBOOK UNITS

in

CHEMISTRY

BY

MAURICE U. AMES

CHAIRMAN, DEPARTMENT OF PHYSICAL SCIENCES, GEORGE WASHINGTON HIGH SCHOOL, NEW YORK CITY

AND

BERNARD JAFFE

CHAIRMAN, DEPARTMENT OF PHYSICAL SCIENCES, BUSHWiCK HIGH SCHOOL, NEW YORK CITY

NONCONSUMABLE EDITION

SILVER Rl'RDETT COMPANY

NEW YORK BOSTON CHICAGO SAN FRANCISCO