Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 463
following is a more detailed illustration of Mr. Wilkss improved roBer: Fig. 3005 represents two parts of his double-cased exhausting cylinder. This consists of two coppertubes, one nicely lining the other; the inner beingjiunched full of round holes, as at KK, where thattube is shown uncovered ; a… … I* • PAPER MACHINES. 457 latter an internal view. Here -we see that the external tube is the ribbed perforated one already de-scribed ; the holes in tlie inner tube being made in rows to correspond with the grooves in the outer.The holes are so distributed that every hole in one row shall be…
Mechanical engineering · Mechanics · Engineering
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