Warburg, James P. (James Paul), 1896-1969 · [Boston] The First national bank of Boston · leaf 49
printed is etched or sunk.Under each roller where it is fixed in the printing press is a trough filledwith the particular coloring matter which that roller is to print on thecloth. As the mechanism revolves the roller is constantlv supplied withnew color, which is scraped off its surface except… … Engraving Plate. Engraving An infinite number of designs are printed, and the method of getting them etched on the copper roller is a fascinatino; one. A zinc plate iscarved by hand on a greatly enlarged scale from the original sketch,and from this plate the girls who operate the pantograph…
Cotton manufacture · Cotton trade
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