Bookbinding and its auxiliary branches . ,200 pages. No. 16 and No. 20, 315 points thick. Boards for half-bound, tight or loose back, are cutthree-eighths of an inch longer than the length and one-eighth of an inch narrower than the width of the book, BOARD BEVELING 119 and the corners rounded. The thickness depends on thesize and thickness of the book. They are tipped on afterthe backs of the books are supered or lined with fleshers,and set off three-eighths of an inch from the convexededge of the back, thus giving three-sixteenths of an inchfor the head and three-sixteenths of an inch
Bookbinding and its auxiliary branches . ,200 pages. No. 16 and No. 20, 315 points thick. Boards for half-bound, tight or loose back, are cutthree-eighths of an inch longer than the length and one-eighth of an inch narrower than the width of the book, BOARD BEVELING 119 and the corners rounded. The thickness depends on thesize and thickness of the book. They are tipped on afterthe backs of the books are supered or lined with fleshers,and set off three-eighths of an inch from the convexededge of the back, thus giving three-sixteenths of an inchfor the head and three-sixteenths of an inch for the tail,also one-fourth of an inch for the front square. Or, casesmay be made after the space between the boards has beenascertained. All blank-book boards should be round-cornered ; this permits of a better turn-in, and the break-ing is, to a certain extent, obviated. Board-cutting Machine.— These machines consistof upper and lower rotary or circular steel cutters. Theupper cutters are set close to the lower cutters, which cut. Crawley Board-beveling Machine. the board as it is fed into the machine. These cutters areadjusted to cut the length of the board into the requiredsize. The feeding is done by two steel rollers, which forcethe board against the revolving cutters, and the strips ofboard are carried out of the machine by two other steelrollers. The cutters are then set for the width, and the 120 BOOKBINDING board fed into the machine with one edge against the sidegauge. These machines are made to cut board from one-sixteenth to one-fourth of an inch thick. Beveling Boards.— There is a machine designed tobevel tarboards, cards and photo mounts. It will bevelany angle, and the degree is regulated by tilting the slant-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbookbinding, bookyear
