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Scientific American, Vol. 7, No. 10 (November 22, 1851) (1851)

leaf 3

An illustration from Scientific American, Vol. 7, No. 10 (November 22, 1851), 1851, leaf 3
by the open- ture of the coloring matter of the wax which the copper, &c., as in the case of the iron. the liquor thus prepared may be kept in a good ing ofa room door, willset the alarm bell they handle so unsuspectingly. The white free, to arouse the sleepers in a room, and de- wax, for ustance,… … Mr. James Davis, of Schuylkill Maven, Pa., e—_l This is an invention of Mr. Thomas E. an axis on which is a small pulley, having a The Influence of Railroads. ented d and taken measures to secure a A Railroad Convention was held at New Shull, of Lewistown Pa., who has taken mea- cord passing over a…

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