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 532
520 I runners, ■which run on frictioii-roUprs; the tympan-frame ia wrou^lit-irou, with screws and nuts forBtretching tho tyinpan. The larger sizes are geerecl, so as to enable the printer to take an impressionfrom the largest stone with ease. Copperplate-press.—3118. Tlie side-frames, cylinders,… … PROJECTION^. Projections are of various kinds, according to the situations in which the eye issupposed to be placed in respect of the body and the plane on whicli it is to be projected; but thereare three which, by reason of the frequency of their use, are particularly deserving of attention,…
Mechanical engineering · Mechanics · Engineering
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