The Teachers' Assistant: Or a System of Practical Arithmetic ; Wherein the Several Rules of that Useful Science, are Illustrated by a Variety of Examples ; a Large Proportion of which Arae in Federal Money ; the Whole Designed to Abridge the Labour of Teachers ; and to Facilitate the Instruction of Your Published and sold by M'Carty & Davis, No. 171 Market Street, 1840 - 198 σελίδες |
