The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . THE EMPIRE TYPE-SETTING MACHINE. At the top of this machine are three cases, containingeighty-four channels, each in a separate cradle with glassfronts. The cradles are tipped up so that the type in thecases is all in view of the operator through the glassfronts. Behind the bottom of each channel of the case is a steel PROGRESS IN PRINTING. 355 pusher, A, which the depression of the corresponding keyB will force through the slot at the bottom of the caseagainst the foot of the lowest t
The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . THE EMPIRE TYPE-SETTING MACHINE. At the top of this machine are three cases, containingeighty-four channels, each in a separate cradle with glassfronts. The cradles are tipped up so that the type in thecases is all in view of the operator through the glassfronts. Behind the bottom of each channel of the case is a steel PROGRESS IN PRINTING. 355 pusher, A, which the depression of the corresponding keyB will force through the slot at the bottom of the caseagainst the foot of the lowest type in the channel, which itwill force forward, out of the case. The key being released,a spring withdraws the pusher, and the row of types, undertheir own weight and that of a free slug, falls to the bot-tom of the channel, leaving the next type in position to be Fig. THE EMPIRES METHOD OF RELEASING THE TYPE. forced out by a pusher when its key is again touched. Assoon as the key is released the corresponding type drops orslides foot foremost down the glass to its place in the cam running in a race drives each letter as it drops, andthe whole line, ahead, keeping a place continually open foranother type, and pushing the line toward the individual holds in his left hand a little device calleda grab, adjusted to the required measure, and draws theneeded length for a line into the upper end of a galley thattakes the place of a composing-stick. Convenient to hishand are a lot of thumb-pieces, which when pinched bythe justifier leave a space in his fingers, and with the dif-ferent thicknesses of these he sjiaces out or justifies his 29*- 356 WONDERS OF MODERN MECHANISM. line, at the same time reading it and correcting any surfaceerrors. Other machines, as the Lanston monotype, dispense withdistribution by casting new type for each
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Keywords: ., bookcentury1800, booksubjectmachinery, booksubjectmechanicalengi
