. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . 660 PRESSES, PRINTING. motion to the cylinder when stopping and starting. This change admits of the press beingrun at a much higher rate of speed. The feed guides have been removed from the feedboard where so manv disturbances are liable to affect the register, ami have been placedin the cylinder itself and revolve with it. The angle of the feed hoard has been so changed. that the sheet is in nearly a horizontal pos
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . 660 PRESSES, PRINTING. motion to the cylinder when stopping and starting. This change admits of the press beingrun at a much higher rate of speed. The feed guides have been removed from the feedboard where so manv disturbances are liable to affect the register, ami have been placedin the cylinder itself and revolve with it. The angle of the feed hoard has been so changed. that the sheet is in nearly a horizontal position when fed to the guides, thus preventing any buckle in the sheet when the grippers close on it. This press is also arranged with the trip at will feature, enabling the feeder to throw off the impression if a sheet is not fedproperly to the guides, also enabling him to roll the form any number of times to eachimpression. By means of a reverse motion, the feeder is able to back up the press with- PEESSE8, PRINTING. 661 out leaving his position on the platform. The patent hinged ink-roller frames admit of thevibrators and distributors being easily raised clear of the form rollers, leaving them freefor removal. The whole system of rollers can be handled at one side of the press, econo-mizing both time and wear. Pottrrs Newspaper Press (Fig. 7).—This quarto and folio press takes paper from a roll,prints from stereotype plates, and cuts, pastes, and folds, as may be desired, at the rate of from10,000 to 12,000 eight-pagenewspapers an hour,
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
