Illustrated catalogue and price list of John Thomson Press Company's platen presses : for letterpress and color printing, embossing, bookcover stamping and paper-box cutting and scoring (1896)
John Thomson Press Company · New York City : J. Thomson Press Co. · leaf 74
ce the amount of line work in 6 inches of its length than it has in the other, then this end will require twice as much pressure as the other; hence, to balance the strain upon the press, upon this basis of 2:1, assumed either as of pressure or of leverage, the transverse center of such a die… … sition), it would fail, because it is improbable that any machine can l^e built so rigid, under strain, but that it would act to cut the sheet. In this character of "make-ready" much depends upon the skill of the pressman ; one man will produce a satisfactory result with 20 tons of pressure where…
John Thomson Press Company · Platen presses
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