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Scientific American, Vol. 88, No. 15 (1903) (1903)
leaf 36
An electric elevator capable Controlling mechanism, A. P. S. 724,307 Conveyer, A.M. Acklin «+ 723,971 of lifting two tons connects the three Conveyer, reciprocating, F. HH. Sehule.. - 724,054 Copper from ores, separating, G. D. floors. This, as well as the machine tools, aArsdale 723,949 24, ‘414… … © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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