Pleger, John J · Chicago : The Inland printer company · leaf 13
electricity, which draws the ink from thepens and gives blots as a result. Accurate striking with the second or third beams isdifficult on curled or wrinkled paper. In ruling a jobhaving a heavy unit pattern on one-half of the sheet andfew lines on the other half, the progress of the sheet willbe… … RULING 3 Double Ruling Machine.— These machines aredesigned to rule two sides with but one feed. Theywill rule straight lines or strike on both sides. Anyestablishment doing a large amount of straight work canill afford to do such work on the ordinary machine, asthis style saves one-half of the…
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