—to be convinced—an occular sands, the hundreds of thousands, the millions, etc. On this paper weight, being an instance. They are made by com- demonstration being one admitting of no reasonable doubt. apparatus the pupil easily learns how to write numbers cor- pining pieces of colored glass to… … so forth, to the tenths. The eleventh string contains twelfths, elasticity when in the form of thread has lately given rise to and the twelfth string twenty-fourths, because both are of favorite means of imparting instruction, and fulfill admirably the story of an attempt by a French chemist to…
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