I. C. S.

REFERENCE LIBRARY

A SERIES OF TEXTBOOKS PREPARED FOR THE STUDENTS OF THE
INTERNATIONAL CORRESPONDENCE SCHOOLS AND CONTAINING

IN PERMANENT FORM THE INSTRUCTION PAPERS,
EXAMINATION QUESTIONS, AND KEYS USED

IN THEIR VARIOUS COURSES

ARITHMETIC

MENSURATION AND USE OF LETTERS IN
FORMULAS

PRINCIPLES OF MECHANICS

MACHINE ELEMENTS

MECHANICS OF FLUIDS

STRENGTH OF MATERIALS

ELEMENTS OF ELECTRICITY AND MAGNETISM
HEAT AND STEAM

UBLIC