THE 



SCIENCE OF COMMON THINGS; 



FAMILIAK EXPLANATION 



OF THE 



FIRST PRINCIPLES OF PHYSICAL SCIENCE. 



SCHOOLS, FAMILIES, AND YOUNG STUDENTS. 



Ellustrattfc fcntfc numerous 



DAVID A. WELLS, A.M. 



IYISON, BLAKEMAN, TAYLOE & CO. 



NEW YORK: CHICAGO: 



138 & 140 GKAND ST. 183 & 135 STATE ST. 



