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Scientific American, Vol. 56, No. 15 (April 1887) (1887)

leaf 10

An illustration from Scientific American, Vol. 56, No. 15 (April 1887), 1887, leaf 10
elatine, Chimneys. The celebrated English traveler A. R. Wallace has, 15 per cent of nitrate of potash, and 5 per cent of wood in a remarkable work*—a true vade mecum for every For those parts of a chimney which are supported ground into fine powder, and freed from all resinous naturalist visiting… … rafters, there is where the crack in sion. While resembling tree toads in their general external characters, the Rhacophori, in your chimneys come and where the most of the fires tence of putty, is white in color, and is made up in their internal organization, recall the frogs, among originate, as…

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