. Appleton's dictionary of machines, mechanics, engine-work, and engineering. The above description with the cuts, explains fully the construction of a machine necessarily some-what complicated, but not necessarily liable to derangement by use. On examining the above cut orperspective view of the complete machine, it will be seen to resemble a piano in its general form andarrangements, in its finger-board, and in the position of the manuscript or rather proof. The keys re-spond as easily to the touch, and the letters appear on the paper in front of the operator. The averagesize of this portabl
. Appleton's dictionary of machines, mechanics, engine-work, and engineering. The above description with the cuts, explains fully the construction of a machine necessarily some-what complicated, but not necessarily liable to derangement by use. On examining the above cut orperspective view of the complete machine, it will be seen to resemble a piano in its general form andarrangements, in its finger-board, and in the position of the manuscript or rather proof. The keys re-spond as easily to the touch, and the letters appear on the paper in front of the operator. The averagesize of this portable machine is two feet square, not much larger than a writing desk. PRINTING-PRESS, LITHOGRAPHIC. Fig. 3109 is a front elevation of a lithographic printing press,by William Smart, of London. The principle of it consists in the whole of the press-work, with the ex-. ception of the operation of laying on and taking off the paper, being performed by a series of movement*resulting from the first motion given to the machine, and not requiring the aid of hand labor to performthe work as heretofore. A portion of the standard frame is removed at one end. A A are the stand-ard and body frames of the machine. B E is the driving-shaft and pinion, receiving motion from steamor any motive agent, and communicating the same to the wheel C, which takes into and geers with D,thereby giving motion to the wheel G, which drives the pinion F. Keyed on the main shaft with tha
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Keywords: ., bookcentury1800, booksubjectmechanicalengineering, bookyear1861
