Davenport, Cyril, 1848-1941 · New York : D. Van Nostrand · leaf 88
Fig. 64.—S°. Fig. 65.-12° The further foldings of 16°, 32°, and 64° are the sameoperations carried further, but although such sizes doexist they are so uncommon that a further description ofthem is not necessary. —12°. In the case of a duodecimo a difterent initialfolding is followed. The original…
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