224 CUTTING. Cutting at the machine is also a simple operation, requiring little instruction. The ordinary guillotine cutting machine has a table on which a well-knocked-up pile of paper is laid. The pile is then pressed back so as to come under the knife, being kept in position and supported at… … the purpose — generally a screw with ball-ended arms, as shown in the illustration — and finally the handle is turned and the knife descends. When it has made the cut the knife reascends automatically, and when up the wheel is stopped. Some machines are self -clamping, that is, the clamp has not to…
Printing · Color printing
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