A planographic printing process. A photographic image from a printing plate is transferred to a rubber blanket, which, in turn, transfers or prints the image onto the paper.
Found on http://www.encyclo.co.uk/local/21023
Indirect printing method in which the inked image on the press-plate is first printed onto a rubber blanket, then in turn offsets the inked impression on to the sheet of paper. Found on https://www.encyclo.co.uk/local/22539