. Printing and writing materials: their evolution . zing foot-power, the hands were left free tofeed the machine and to take away the printedwork; the press could thus be run by one speed of treadle-presses varies from 800 to1,500 impressions an hour, according to the skillof the workman. The inking of the form is auto-matic: a series of rollers, playing on a revolvingdisk, feeds the ink from a reservoir in the back partof the machine. The later treadle-presses have awheel attached for belt-power, which increasestheir capacity and secures the steadier working ofthe machine. The Go
. Printing and writing materials: their evolution . zing foot-power, the hands were left free tofeed the machine and to take away the printedwork; the press could thus be run by one speed of treadle-presses varies from 800 to1,500 impressions an hour, according to the skillof the workman. The inking of the form is auto-matic: a series of rollers, playing on a revolvingdisk, feeds the ink from a reservoir in the back partof the machine. The later treadle-presses have awheel attached for belt-power, which increasestheir capacity and secures the steadier working ofthe machine. The Gordon is a small job-press which can printover 1,000 cards or small sheets an hour. Theinventor, George P. Gordon, a printer of NewYork, began his experiments in 1834 or 1835, butdid not apply for a patent until 1850. The Rugglespress was considered the best of the smallpresses; its manufacture began before 1840. About 1824, after returning to Boston, Tread-well attempted to bring out a power- or steam-press on the bed-and-platen principle, but his. THK WASHINGTON HAND-PRESS. EISTORY OF THE PRINTING-PRESS 77 establishment was burned, destroying his machine,and he was compelled to abandon the is said that at least one book was printed onTreadwells press. About 1830, Isaac Adams, also The Adamsof Boston, took out a patent for a press which ^^^^^embodied many of Treadwells ideas. In thismachine the platen was stationary. The bed oftype did not move backward and forward as in theold hand-presses; it simply moved upward to pressagainst the platen, and then down to its formerplace. Inking-rollers passed between the form andthe impression surface. The press was afterwardsenlarged and improved, so that it did in one daythe work of ten ordinary hand-presses quite as wellas had been done before. The larger sizes of thispress have a maximum speed of 1,000 sheets anhour. The Adams presses were favorites for morethan fifty years, and some are still in use. TheRiverside Press emplo
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