THE ABACUS. For the information of those teachers who are not familiar with the use of the Abacus, and may be desirous to make an experiment of its utility, we have extracted a few pages of Wilsona#39;s Manual of Instruction for Infant Schools; showing ... After exhibiting a common multiplication table of 100 squares, the author proposes the following method of using the table in connexion with the Abacus.
Title | : | Essays on School Keeping |
Author | : | Allison Wrifford |
Publisher | : | - 1831 |
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