Bookbinding and its auxiliary branches . Rossback Machine. upon the speed with which the operator drops the leaveson the blade. It will cut anything from a small memo-randum book to a ledger twenty inches in length andthree inches thick. Tab Index.— This style is employed whenever it hdesired to index throughout the book, for special heads,etc. To make these, cut leather strips about two incheswide and in length about one-half the length of the in the center lengthwise or crease with a folder, then INDEXING 227 crease one-half of an inch from the center. Tip the long
Bookbinding and its auxiliary branches . Rossback Machine. upon the speed with which the operator drops the leaveson the blade. It will cut anything from a small memo-randum book to a ledger twenty inches in length andthree inches thick. Tab Index.— This style is employed whenever it hdesired to index throughout the book, for special heads,etc. To make these, cut leather strips about two incheswide and in length about one-half the length of the in the center lengthwise or crease with a folder, then INDEXING 227 crease one-half of an inch from the center. Tip the longends one-eighth of an inch on straw or pulp board. Thenpaste-wash and glair as described under that head. Whendry, lay on the gold leaf and letter flat. Rub off the sur-plus gold, take the leather off the board, pare the ends,. A — Leaf. B — Tab. C 228 BOOKBINDING and cut a strip of card or tough index bristolboard one-half of an inch wide and the length of the leather. Gluethe leather, lay the half-inch strip in the center, place apiece of tin or zinc on the leather close to the edge of thehalf-inch strip, bring over the other half of the leatheron to the strip and tin or zinc, and rub down. When drythe tin will come out. Wax paper may be used in place oftin or zinc. The tabs are then cut apart and the divisionscale inserted in the book so that the corners of the leavesmeet the edges of the board. Hold the tab with the righthand and apply a thick paste between the open leather;place it over the edge of the leaves and rub down. Countoff the number of leaves called for, and place the secondtab over the edge of the other leaf, the bottom and topedges of both tabs aligning. Repeat this with the thirdand subsequent tabs. All tab indexing commences at thehead, and A or the first tab is placed on the
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbookbinding, bookyear
