LABORATORY EXERCISES 



OF 



"THE FIRST YEAR OF SCIENCE" 



BY 



JOHN C. HESSLER, Ph. D. 



PROFESSOR OF CHEMISTRY, THE JAMES MILLIKIN UNIVERSITY 



I. ATE INSTRUCTOR IN THE UNIVERSITY OF CHICAGO AND 



IN THE HYDE PARK HIGH SCHOOL, CHICAGO 



OV TToXX' CtXXo, 



BENJ. H. SANBORN & CO. 



CHICAGO NEW YORK BOSTON 



1915 



