The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . The speed for thirty-two-pageperiodicals is ten thousand an hour, smaller sizes beingproportionately faster. F 10 2d 352 WOXDERS OF MODERN MECHANISM. A somewhat similar machine is made by the same firmfor printing coveiless ilhistrated periodicals, at a speed offour thousand to eight thousand an hour, doing fine work. Hoes newspaper perfecting presses are made in all sortsof sizes and combinations. The speed is practically limitedto twenty-four thousand an hour, but by doubling andquad
The wonders of modern mechanismA résumé of recent progress in mechanical, physical, and engineering science . The speed for thirty-two-pageperiodicals is ten thousand an hour, smaller sizes beingproportionately faster. F 10 2d 352 WOXDERS OF MODERN MECHANISM. A somewhat similar machine is made by the same firmfor printing coveiless ilhistrated periodicals, at a speed offour thousand to eight thousand an hour, doing fine work. Hoes newspaper perfecting presses are made in all sortsof sizes and combinations. The speed is practically limitedto twenty-four thousand an hour, but by doubling andquadrupling results as high as ninety-six thousand an hourare obtained. Walter Scott has obtained over a hundred patents withina few years, and manufactured a most interesting line offast printing machines. Among them are many cylinder Fig. WAiTEK SCOTT AND COMPANYS LARGE INSETTLNG NEWSPAPER PRESS. presses arranged to print from the roll, also double cylindermachines for printing both sides of the sheet before of his flat-bed single cylinder machines prints fromthe roll, on both sides of the sheet, and delivers it foldedat a speed of three thousand six hundred an hour, whichis the greatest amount of work ever accomplished with asingle cylinder machine. He has also designed a series ofmagazine presses, designed for fine work. He makes onethat delivers completed almanacs at a speed of from eightto fifteen thousand an hour. His rotary web perfecting PROGRESS IN PRINTING. 353 newspaper machines operate satisfactorily up to speeds ofseventy-two thousand an hour. A number of other firmsare now making fast newspaper presses. In the development of presses feeding from the roll, forjob printing, Kidder, of Boston, and Eckerson, of NewYork, have been prominent. Kidder has devised a seriesof machines for special work,
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