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 Are in Federal Money, the Whole Designed to Abridge the Labour of Teachers
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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 Are in Federal Money, the Whole Designed to Abridge the Labour of Teachers
