Davenport, Cyril, 1848-1941 · New York : D. Van Nostrand · leaf 87
es which follow any one letter in the white line at tljebottom of the leaf. This letter is called the signature.If there is an A or A 1 at the bottom of the first leaf, andwhen eight leaves have been turned over a B or B 1 appears,then the book is an octavo, and so on. Another way ofdetermining the… … Fig. 62.—Fol. yet another is to be found l)y studying the position of the waternuirk. But neither of these tests are conclusive, andoften enough there are neither chainmarks nor watermarks to be found atall, and the sheets are not alwaysrightly or carefully cut, which bringsthe watermark all wrong,…
Books · Bookbinding · Printing -- History
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