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Scientific American, Vol. 67, No. 14 (1892) (1892)
leaf 3
uel continues very slowly, on account of the pressure of or Thomas slag meal, otherwise the crops raised on the gas, which drives up the sand and soil into the being employed exclusively. them will not be of normal and perfectly sound growth. tubes to a height of 100 meters and prevents the work- *… … © 1892 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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