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Scientific American, Vol. 73, No. 12 (1895) (1895)
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d 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-… … © 1895 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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