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Scientific American, Vol. 6, No. 12 (December 7, 1850) (1850)

leaf 3

An illustration from Scientific American, Vol. 6, No. 12 (December 7, 1850), 1850, leaf 3
is a hook levers give all convenience desirable, is made of two leaves, of parallel bars, like The object of this invention is the placing of a perspective view of the face of the mallet, when applied to the common joints. Smith’s, and these two leaves, when the per, with that part open which… … new coal breaker and screener combined, brace at B. By means of this connecting rod, rope. On the old mallet, the yarn, E, by pass- rollers. The same letters refer to like parts. which will allow all passing coal to escape it will be seen’ that the braces on both sides ing rapidly ove’ the back—(a…

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