Bookbinding, and the care of books : a text-book for bookbinders and librarians (1911)
Cockerell, Douglas · London : J. Hogg · leaf 123
Fig. 37. the paper, twenty thick- the thickness ofnesses of thread. If the boards were laced on to the bookwithout rounding or backing, and thebook were pressed, the additional thick-ness of the back, having to go somewhere,would cause it to go either convex orconcave, or else perhaps to crease up… … Fig. 38. (see fig. 37). The object of roundingis to control the distribution of thisswelling, and to make the back take aneven and permanently convex form. If the boards were merely laced on afterrounding, there would be a gap betweenthe square ends of theboard and the edge of theback (see fig.…
Bookbinding · Books
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