spirit, or fastened to the ties in the center of the track beyond methylic alcohol, aldehydes, acetones, methylic the ends of the switching rails. These sliding blocks acetates, creosote, cyanides of ammonia, and have eyes at each end, to which are attached chains, benzines, and these substances,… … chemical nature derived from the useful princi- - TION CYGNUS. ples or components of the pitch, the poisonous or hurtful principles or components having ‘the other passing: around a sheave in the inclined way, then arourfd another sheave in the center of the track, been removed. . The dialyzed…
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