Printing press

Definition and stakes

Portrait of Mary Clemmer Mary Clemmer,  Ten Years in Washington (1881)

“ In the press-room, stretching before and on either side of the majestic engine, we see scores of ponderous presses, their swiftly-flying rollers moving with the perfect time of a 524watch—at each revolution clinching the unsullied sheet of paper which, in an instant more, it tosses forth a printed page.
When Benjamin Franklin tugged away at the little printing-press now exhibited at the Patent-Office, an enormous amount of human muscle was needed to perform press-work; but now, without effort and without fatigue, the tireless engine supplies the material power, while women do the work.
”
Source: Gutenberg

Various,  Scientific American Supplement…

“ The printing press has held its own in the rapid advance of that wonderful evolution which, within the last half century, in every phase of thought and in every movement of material forces placed under the dominion of men, has almost made one of our years the equivalent of one of the old centuries. Within average recollection the single cylinder printing machine, run by hand or steam, and able under best conditions to print one side of a thousand sheets in one hour, was the marvel of mankind. ”
Source: Gutenberg

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