Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/95

Rh even at the head; if it be the slightest bit untrue it will at once be seen.

A few words about the various cutting machines that are in the market. Each maker professes his machine the best. In some the knife moves with a diagonal motion, in others with a horizontal motion.

The principle of all these machines is the same: the books are placed to a gauge, the top is lowered and clamps