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.
Crepon (Crep'-On Or Cre-Pon'). A dress fabric resembling crape but not so thin and gauzy, made of silk or wool or silk and wool mixed; a term applied to crinkled effects in general. Crepon novelties are frequently woven with narrow satin stripes, or cords. Cotton fabrics are also printed in crepon effects.