THE NEW NORMAL WRITTEN ARITHMETIC, DESIGNED FOR COMMON SCHOOLS, NORMAL SCHOOLS, HIGH SCHOOLS, BY EDWARD BROOKS, A. M., PH. D., SUPERINTENDENT OF PUBLIC SCHOOLS OF PHILADELPHIA; LATE PRINCIPAL AND PROFESSOR OF MATHEMATICS IN PENNSYLVANIA STATE Analysis and Synthesis:-the magic wand whose touch unfolds the mysterious and PHILADELPHIA: CHRISTOPHER SOWER COMPANY, 614 ARCH STREET. |