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Scientific American, Vol. 73, No. 12 (September 1895) (1895)
leaf 4
and the large gear wheel is oppo- the edge of a bed and the patient moved upon it or The illustration represents, in sectional side eleva- sitely turned by means of a handle, the weight of from it with the greatest ease, and when not in use it tion and in perspective, a gold saving apparatus de-… … gold-bearing sand, as it passes over to a second hopper with perforated bottom and settling tank, with gold- HANCOCK'S BOILEB LEVELING DEVICE. JAKMFS FOLDING INVALID CHAIB. © 1895 SCIENTIFIC AMERICAN, INC.Apparatus · Valkyrie · Cylinder · Water · Munn · Scientific American · Combs · Perspective elevations · Perspective elevation · Soft coal · Wood pulp · Nerve cells · Postal union · Hot water · Paper pulp · Hunt air
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