Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/41

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BEATING AND ROLLING.
11

between the rollers, which are regulated by a screw, according to the thickness of sections and power required. The workman, technically called "Roller," has to be very careful in passing his books through, that his hand be not drawn in as well, for accidents have from time to time occurred through the inattention of the Roller

Cross-hatched drawing of a Rolling Machine

Rolling Machine.

himself, or of the individual who has the pleasure of applying his strength to turning the handle.

I never pass or hear a rolling machine revolving very rapidly without having vividly brought to my mind a very serious accident that happened to my father. He was feeling for a flaw on one of the rollers, and whilst his hands