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Scientific American, Vol. 5, No. 39 (June 1850) (1850)

leaf 3

An illustration from Scientific American, Vol. 5, No. 39 (June 1850), 1850, leaf 3
any rubbing or friction of the link in which it no curve to be of less than four miles radius. having the yarn slide over the grooves, as in all the roads that connect the Concord line, is enclosed, thus avoiding wear of the parts, The rails are to be of suitable thickness, laid the old mallet, the… … D D are slats which serve to strengthen the action of the brake, or other machinery, to pre- shocks. The brake, it will be observed, is also which is to be performed in four hours. Four dasher, and also serve to separate and agitate vent friction and noise. Second, the applica- made with another…

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