Patent Model of a Copper Plate Press
This patent model demonstrates an invention for a copper plate press which was granted patent number 245970. The patent describes a flatbed cylinder power press intended for printing bank notes and other high-quality work, with improved wiping apparatus that did not use the customary whiting powder as a polisher. The specification includes a brief discussion of the recent development of plate printing machines, beginning with Neale's first British patent of 1853.
c. 1881
GA.89797.245970
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National Museum of American History
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