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 658
tting-cylinders, asially in line, and two duplexsets of feeding-in rolls, also axially in line, and driven by gearing. The pressure bars beforeand after the cut of the upper cylinders are duplex ; and the under cylinder has also duplexpressure bars, each of which is adjustable vertically… … Fig. 4.—En(Jles8-bed surface planer. at once, or as a single flooring machine working only one board. The matching works areduplex and work the edges of both boards at one operation ; being adjustable to suit thewidth of lumber from the face side of the machine. The lumber platen has a duplex…
Mechanical engineering
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