Page:The Art of Bookbinding, Zaehnsdorf, 1890.djvu/83

Rh to cut heavy boards. It will be found that it is necessary to press the lower arm away with the thigh, and bring the upper arm towards the operator whilst cutting.

A mill-board cutting machine is now in all large shops. The cut fairly well explains itself; the long blade descending cuts the boards, which are held fast on the table by the clamp. The gauges are set either on the table or in front. The board is put on the table and held tight by pressure of

Mill-board Machine.

the foot on the treadle; the knife descending upon the exposed board cuts after the principle of the guillotine blade. Another kind, introduced by Messrs. Richmond, of Kirby Street, Hatton Garden, is made for steam work, and is no doubt one of the best that can be made. Instead of a knife to descend, a number of circular cutters are made to revolve on two spindles, the one cutter working against the other (see woodcut); but I give Messrs. Richmond's own description, it being more explicit than any I could