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Scientific American, Vol. 40, No. 6 (1879) (1879)
leaf 7
es, etc., can accumulate. The danger of the and in the wear and tear of the boiler, as well as securing once, when the results arrived at were such as to present se- stack becoming rusted is thus avoided, andas theform of the rious difficulties to the construction of the machine. lining is of the… … and it is thought that the other half may be re- and twenty-one secondary schools, varying in coverable. importance and organization, but which may be © 1879 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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