Bookbinding, and the care of books : a text-book for bookbinders and librarians (1911)
Cockerell, Douglas · London : J. Hogg · leaf 126
Fig. 41. the centre, but are either zigzagged bybeing crushed by direct blows of the ham-mer, as shown in fig. 42, A, or are un-evenly fanned over more to one side thanthe other, as shown in fig. 42, B, the back,although it may be even enough whenfirst done, will probably become uneven122 with use.… … Fig. 42. will be disfigured inside by creases in thepaper.
Bookbinding · Books
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