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Scientific American, Vol. 25, No. 24 (1871) (1871)

leaf 7

An illustration from Scientific American, Vol. 25, No. 24 (1871), 1871, leaf 7
e basic solution of lead for precipitating, often causes the stoppage of a factory for hours. By use of size tire, two and a half inches thick, with one sixteenth al- which consists in the application to the bottom of a tank lowance for expansion, in less than thirty minutes from the this… … who has assigned his rightto himself and the grooves. These grooves are of suitable size Homer Rogers, of the same place. The stop- to admit perforated tubes —say about three pers are manufactured and sold by James J. inches in diameter—so that they will not rise Walworth & Co., 1 Bath street,…

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