Image from page 111 of "Printing and bookbinding for schools" (1914)
Authors: Vaughn, Samuel Jesse, b. 1877
Publisher: Bloomington, Ill. : Public school pub. co.
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN
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thesides as desired—the general rule being more than a fourthand less than a third. This, however, is a statement ofthe most general kind, and proper widths for the leatherare determined to meet specific conditions. Skiving—Head Cut—Coloring. With a sharp skiving or head knife, 5, Plate I, the edgesof the leather are pared thin, and also a strip through themiddle where ,the back of the book goes, is pared, if theleather is quite thick. For this operation, the leathershould be laid on a stone or slate. The book is now marked with pencil and trysquarewhere the head is to be cut, and is placed betweentwo pressing boards with a heavy piece of cardboard,called the cut-against, between the back pressing boardand the book. In this condition, the book is now putinto the cutting press, Plate II, the front pressing boardbeing pushed down on a level with the mark on thebook and with the top of the press. The plow is runforward and backward, the blade meanwhile being gradu- 28 BOOK BINDING
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PLATE II ally screwed toward the book, cutting only a very fewleaves at a stroke. With this easy stroke and slow advanceof the blade, if the blade is sharp, the head is left smoothand ready for coloring. The head is colored with India inkand when dry, is rubbed with beeswax and burnished witha burnisher made for that purpose. French Joint. Now the book is marked for the French joint, that is,for the location of the back edges of the boards, and astrip of tough paper large enough to cover the back is glued on. LIBRARY BINDING 29 Glue is put into the open places left between the layersof the double boards; then the slips—super, tapes, andpieces of endpapers which were previously pasted to-gether—are inserted into these openings, Fig. 23, and thebook put into press, where it remains until thoroughly dry. In putting on the boards, great care is necessary to in-sure a straight cover and perfect squares. Half Leather. It is now time to put on the leather, which is laid, fleshside up, on
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