APPARATUS FOR PAPER-STAINING, 25 



peg down into the position 2, which, by means of the wheel 

 G, endless cord F, and iraverse K, draws the paper forward 

 on the table just the proper distance to print again. When 

 the whole piece is printed, the tere-bov goes to the end of the 

 room, loosens the paper from the traverse, and hangs it up to 

 dry in folds, on loose sticks placed across racks attached to' 

 the ceiling. 



Method of 'printing Dark Grounds. 



The table and sieve for the colour are the same as in print- Method of 

 T 1 , rr.. i«- r • ■ • • printing dark 



jng light grounds. Ihe diflerence ot pnntiug consists in ap- .-rounds. 



plying the colour from the block upon the t'-ible, by means of 

 a lever, instead of striking the block with a maH; the pressure 

 of the lever forcing a greater quantity of colour upon the pa- 

 per and in a more even manner, 



T, the axle of the lever. Y, the arm (15 inches long) to 

 which the power is applied by means of a rope U, fastened to 

 it, which has a treadle W at its end. for the workman to place 

 his foot upon. X, another arm (G inches long) to which is 

 jointed Y, a long pole, the end of which is applied to the back 

 of the block 3, when the pressure is given. 



Z, an arm on the other side of the axle T, to which a weight 

 is hung to balance the pole Y. 



Fig. 3, shows a section of the axle T with the arms V and 2 

 projecting from it, and the manner in which the arm X is con- 

 nected by a joint with the pole Y; the excellence of this 

 principle depends upon the very great increase of power, 

 which is given by bringing the pole near the centre of the joint 

 or axis. 



The paper being placed upon the table as in printing light 

 grounds, and the workman having placed his block, furnished 

 with colour, upon the paper to be printed, he puts his foot on 

 the treadle W, attached to the cord U, takes the pole from be- 

 hind the piece of wood 4, and applies its end upon the block 

 U, and pressing down his foot makes tiie imprebsion from the 

 block upon the paper. He' thou lodges the pole behind the 

 piece of wood 4, to be out of the way ■; he next removes the 

 block to furnish it again with colour, and draws the paper for- 

 ward for another impression, by the fool-wheel L, as described 

 in the former mode, IV, 



