This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Shantung Pongee Silk. A soft, undyed and undressed Chinese washing silk, made in imitation of the India or Hindoo goods of the same character, but higher luster. The various qualities are uniformly nineteen inches in width, and measure twenty yards per piece. The silk is manufactured in the province of Shantung, China, and printed with patterns after being landed in this country. [See Pongee]