A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . ed each with two rollers, 8 and 10, the last of which, dipping into the troughs,are charged with color, which they communicate to the roller, 8, the latter being coveredwith woollen cloth ; and these, in their turn, transmit their color to the sieves, e, on whichit is spread by the fixed brushes, 9. As it is important to be able to vary at pleasure thequantity of color supplied to the sieves, and consequently to the blocks, the rollers, 10,are in connection with
A supplement to Ures Dictionary of Arts, Manufactures, and Mines, : containing a clear exposition of their principles and practice. . ed each with two rollers, 8 and 10, the last of which, dipping into the troughs,are charged with color, which they communicate to the roller, 8, the latter being coveredwith woollen cloth ; and these, in their turn, transmit their color to the sieves, e, on whichit is spread by the fixed brushes, 9. As it is important to be able to vary at pleasure thequantity of color supplied to the sieves, and consequently to the blocks, the rollers, 10,are in connection with levers, 11, which, by means of adjusting screws, bring them intomore or less intimate contact with the rollers, 8, and consequently vary the charge of colorat pleasure. The blanket, backcloth, and fabric are circulated as follows :—At the four angles formedby the three tables, b, are rollers, 1, armed on their surface with needle points, which pre-vent the cloths from slipping as they pass round, and thus secure the regular movement ofthe stuff to be primed, a movement determined by the toothed wheels, 21, {fg. 99,) fixed at. the extremities of the axes of these rollers, g is a roller for stretching the endless web,resting with the two ends of its axes on two cushions forming the extremities of the screws,12, by which the roller can be pushed further out when required, to give the cloth the neces-sary tension, n is another tension roller, supporting the blanket and backcloth. k is aroller which serves similar purposes for the blanket, the backcloth, and the fabric in courseof being printed, t, the blanket, which in its course embraces the semicircumference ofthe roller, g, passes over the roller, n, and behind k, to circulate round the cylinders, 1,and over the surfaces of the tables, b. l is a cylinder from which the backcloth is unwoimd,being first stretched by the roller, n, and then smoothed by the scrimping bars, 13, fromwhich it proceeds to join the blanket on arriving
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishernewyo, bookyear1864
