Page:Paper and Its Uses.djvu/49

Rh with water, and forwarded to the vat or stuff-chest of the machine. The board machine is comparatively short, consisting of a cylinder which lifts the film of pulp, delivers it to the endless felt, and a cylinder at the other end of the machine receives the web, which continues to roll round until the desired thickness is attained, when the wet board is dexterously slit by the attendant and taken off to the pile. Here the boards are alternated with sheets of felt or canvas, and the water is pressed out. The boards are hung up singly to dry in a heated chamber, and are afterwards damped slightly, rolled heavily, and cut to size.