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Scientific American, Vol. 31, No. 25 (1874) (1874)
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uniquel, Tarn, and Garonne, in France. These of logical reasoning, you must’ study mathematics.” stones are said to be well appreciated in the United States. ments of.the public school system of this country. “The Normal College has more than fulfilled the expecta- There are quarries of the same… … © 1874 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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