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Scientific American, Vol. 3, No. 33 (May 1848) (1848)

leaf 3

An illustration from Scientific American, Vol. 3, No. 33 (May 1848), 1848, leaf 3
at time, 1200 an hour, and 14,-400 in a day of twelve hours. The inventoris of opinion that they will be able to makefrom 15,000, to 20,000 a day. Seven menwould mould by hand, about half the formerquantity of bricks of equal quality, and itwouldrequireatleast seven boys to run them off.It is very… … The above is a representation of an impro-ved Railway Brake, the novelty of which con-sists in its causing the cars, by the mere pushof a lever instantly to cheek themselves, with-out being dependent upon the main force ofthe brakeman to effect the same. The plan isvery simple and effectual H H, is…

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