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Scientific American, Vol. 59, No. 22 (December 1888) (1888)
leaf 3
e. By making the quantity than eleven-thirteenths last. Her supplies from all The Allgemeine M.litar-Zeitung announces as pro- of air to be compressed per stroke to vary inversely other sources so far this year have thus been about bable several considerable changes in the organization with the… … passed through stuff affected by 20 pounds to 200 pounds per square Fig. l.-DAVEY'S MOTOR AND AIR COMPRESSOR FOR VARIABLE PRESSURES. dry rot without cleaning. inch. The pump is reversible, and ©1888 SCIENTIFIC AMERICAN, INC.Patented · Munn · Illustrated · Contained · Scientific American · Air pump · Underground wire · Horse power · Nitric acid · American supplement · Feet high · Novel construction · Address munn · Express money
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