. Cotton and cotton manufacture . Printing Machine. Some cotton cloth is simply dyed with a solid color and finished, but Resist and frequently it is first dyed with one color and then printed with others, Discharge or with a chemical which will discharge the dye and leave white figures Printing wherever it touches the cloth. In contrast to this discharge method, where it is desired to obtain white figures on a colored back-ground, it is also possible first to print the figures with a chemical that will resist the subsequent action of the dye-stuff. Where a white ground is used and it is not e
. Cotton and cotton manufacture . Printing Machine. Some cotton cloth is simply dyed with a solid color and finished, but Resist and frequently it is first dyed with one color and then printed with others, Discharge or with a chemical which will discharge the dye and leave white figures Printing wherever it touches the cloth. In contrast to this discharge method, where it is desired to obtain white figures on a colored back-ground, it is also possible first to print the figures with a chemical that will resist the subsequent action of the dye-stuff. Where a white ground is used and it is not essential that the colors and design appear on both sides of the cloth it is not necessary to dye at all. (40. A Battery of Forty-eight. The printing process is a very old one, and was employed centuries Printinago in China and India, where natives used to impregnate cloth with Processcolored designs by pounding small wooden blocks carved and filledwith color on its surface. The modern printing machine has a series ofcopper rollers in which the design to be printed is etched or 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 where the sunken de-sign holds it, by a knife, called the doctor. If the design calls for sixcolors there will be six rollers at work, and so on up to fourteen colorsat a single run through the press. 41
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectcottonm, bookyear1921
