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Scientific American, Vol. 60, No. 25 (1889) (1889)
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t of air or gas under pressure. Bunsen’s filter pump, and shown in Figs. 1-and 2; the ing Jim Crow” netted $75,000 a year; Pharaoh’s ser- The method of accomplishing this is illustrated in other of brass, shown in Figs. 3, 4,-and‘5. pents cleared $50,000; the “wheel of life” cleared Fig. 5. The… … ward extension of the | Iron Industry Gazette. © 1889 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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