Practical bookbinding : a text-book intended for those who take up the art of bookbinding, and designed to give sufficient help to enable handy persons to bind their books and periodicals (1908)
Pearce, W. B. (William Bonner) · London : P. Marshall · leaf 33
Fig. 14. edge also being placed on the left, lineable with thecrease marks. The top sheet is lifted to a verticalposition, and bent up squarely over the edge of thestraight-edge, thus allowing the folder to form the … crease required in the paper. (See Fig. 14.) Thewhole is turned over, and the operation is repeated ; PRACTICAL BOOKBINDING. 20 the straight-edge is removed, the paper is folded out-wards towards the left hand, and thus the shapeshown in Fig. 12, J, is produced. The plain sheetsonly are thus…
Bookbinding
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