Bookbinding and its auxiliary branches . g to prevent wearingand tearing. The best material for this purpose is mus-lin, which is cut about two inches larger each way thanthe map, and tacked on the bench, floor or wall. The dis-tance between the tacks should be about one and one-halfinches, and the muslin should be stretched before take a wet sponge and rub the surface; if left todry a few minutes, the wrinkles will disappear. The mapor paper is pasted with a medium thick paste and laid onthe muslin. First rub the hand down the center, thenfrom the center rub right and left carefu
Bookbinding and its auxiliary branches . g to prevent wearingand tearing. The best material for this purpose is mus-lin, which is cut about two inches larger each way thanthe map, and tacked on the bench, floor or wall. The dis-tance between the tacks should be about one and one-halfinches, and the muslin should be stretched before take a wet sponge and rub the surface; if left todry a few minutes, the wrinkles will disappear. The mapor paper is pasted with a medium thick paste and laid onthe muslin. First rub the hand down the center, thenfrom the center rub right and left carefully, and avoidbubbles. A stubby bristle brush 4% by ^Vk by 1 is thebest for rubbing down. Should wrinkles appear, lift up 24 BOOKBINDING the paper, and rub carefully upward or downward untilthe edge of the sheet is reached. The average bindery iscrow^ded for room, and to save space a cylinder, threefeet in diameter and ten feet long, is made and attachedto block and tackle on each end. When not in use, thiscan be hoisted to the Mounting Machine.— This machine is designed formounting pictures, splicing boards and papers. Bychanging the tympan and substituting sandpaper on theroller, paper can be pebbled. The mechanism consists ofa cylinder with nippers, which, at each revolution, catchthe picture, which is fed in on the lower plane, carrying JOINING 25 it over the glue roll, and uniting it with the mount, whichis fed in on the upper plane. The completed mount is dis-charged between hot or cold rolls on to the delivery car-riage. The speed at which the machine is run is aboutone thousand per hour. JOINING LARGE SHEETS FOR REGULAR SEWING. No account book should exceed twenty-four inches inwidth, which is the standard double medium oblong size,the size of the sheet being 19 by 48 inches. It is prefer-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbookbinding, bookyear
