A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . against the cylinder by the system of compound levers k, which have attachments to theframework at k and m as fulcrums; the screws h h worliing in female screws i i,as in the other set of levers. For convenience of removing the rollers, color boxes, &c.,these levers are provided with a hinged piece n, in a socket o, on the top of which workthe screws 11, which, by means of the female screw in the lever k k, serve still further toregulate the pressure ; the lever
A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . against the cylinder by the system of compound levers k, which have attachments to theframework at k and m as fulcrums; the screws h h worliing in female screws i i,as in the other set of levers. For convenience of removing the rollers, color boxes, &c.,these levers are provided with a hinged piece n, in a socket o, on the top of which workthe screws 11, which, by means of the female screw in the lever k k, serve still further toregulate the pressure ; the lever k k is shown as when the machine is printing; but whenthe rollers, &c., are to be removed, the lever is lifted by the handle, and the hinged piece Npulled over, the lever with its burden being then lowered down; the weighting of theselevers, which are partly outside the machine, is best seen in Jjc/s. 110 and 111, where l arethe weights, q are color boxes, the sides and bottom of which are made of sheet copper, andthe ends of gun-metal; in each end is a slot, which receives the brass journals of thewooden furnishing ro
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishernewyo, bookyear1864
