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« Dictionary Index « Definitions under R


In printing at machines, the paper, particularly if it be soft and not flat, in travelling round the cylinders frequently wrinkles; this is termed Rucking, or the Paper Rucks, or the Paper is Rucked; when this takes place, the sheets may be looked on as spoiled when it is for book work: the best preventative is to press the wet paper well in a powerful press for an hour or two, with small quantities between the boards, just before it goes to the machine. I would not recommend more than five quires in each portion, although I am aware that a ream is generally put in; but the smaller the quantity between each two boards the flatter the paper will be, and less likely to ruck.

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