Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 690
tvmpans consist of a web of fabric held by rolls inthe cvlinder. which are shitted automatieallv over the surface of the cylinder the length ota sheet every 50 or 100 impressions, thus presenting an entirely fresh offset surface. Ihetime at which the automatic shifting of the tympan occurs may be… … 662 PRESSES. PRINTING. ing two completecopies of a four-page paper at eachrevolution—s peed,24,000 per hour—orthe eight platesmany be so arrangedon the two cylindersas to print one eight-page paper at eachrevolution—s peed,12,000. Papers aredelivered, folded,and counted auto-matically. 77<e Iloe…
Mechanical engineering
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