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Scientific American, Vol. 75, No. 22 (1896) (1896)
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scale when it is moved in front of a barrel, into the vessel. By an ingenious contrivance the air east by Dr. Schott, could not be immediately raised. in escaping produces a sound similar to the ery of and the top of the scale platform is marked to facili- The rough disks of glass for the lenses of… … in getting to the top of Acon- wald. cagua. © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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