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Scientific American, Vol. 39, No. 24 (December 1878) (1878)
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o over- raised to 1,200 degrees, and the time of exposure to six or heat the crown of the furnace." This is an important mat- produced, for what it is used, and to what other countries it seven hours, the skinof sesquioxide will resist every mechan- is exported. The able compiler of these… … EXCAVATOB ON THE GHENT AND TERNEUZEN SHIP CANAL BELGIUM. © 1878 SCIENTIFIC AMERICAN, INC.Patents · Patented · Alum · Iron · Scientific American · Oil · Address munn · Horse power · Cream tartar · Oil company · Standard oil · American supplement · Export edition · American export · Ammonia alum
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