Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/36
Turn the whole pile (or book now) over, and again go through each sheet; alter by refolding any sheet that may require it. Very often the sheets are already cut, and in this case the section must be dissected and each leaf refolded and reinserted in proper sequence, and placed carefully head-line to head-line. Great care must be exercised, as the previous creasings render the paper liable to be torn in the process.
Books that have been bound and cut would be rendered often worse by refolding, and as a general rule they are left alone. Bound books are pulled to pieces in the same manner, always taking care that the thread is cut or
Knocking-down Iron screwed into Press.
loose before tearing the sheet away; should trouble arise through the glue, etc., not coming away easily, the back may be damped with a sponge lightly charged with water, or perhaps a better method is to place the book or books in a press, screw up tightly, and soak the backs with thin paste, leaving them soaking for an hour or two; they will want repasting two or three times during the period; the whole of the paper, glue, and leather can then be easily scraped away with a blunt knife; a handful of shavings rubbed over the back will make it quite clean, and no difficulty will be met with if the sections are taken apart while damp. The sections must, as pulled, be placed evenly one on