Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/89

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rather a thick one a coat of paste or thin glue should be applied to the back. Paste is preferable.

If the book is very thick a piece of thin calico may be pasted to the back and allowed to dry, the surplus being taken away afterwards.

In flexible work care must be taken that the cleaning-off stick is not forced too hard against the bands, or the thread being moist will break, or the paper being wet will tear, or the bands may become shifted. The cleaning-off stick may be made of any piece of wood; an old octavo cutting board is as good as anything else, but a good workman will always have one suitable and at hand when required for use.

When the volumes have been pressed enough (a day's pressing is none too much) they are to be taken out, and the tins and pressing boards put away. The book is then ready for cutting. Of the numerous presses, excepting the hydraulic, Gregory's Patent Compound Action Screw Press is to my mind the best, and I believe it to be one of the most powerful presses yet invented; sixty tons pressure can be obtained by it.



In olden times, when our present work-tools did not exist and material aids were scarce, a sharp knife and straight edge formed the only implements used in cutting. Now we have the plough and cutting machine, which have superseded the knife and straight edge; and the cutting machine is now fast doing away with the plough. There are very few shops at the present moment where a cutting