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.
Gassing-Frame. An apparatus in which yarns are run off from one bobbin to another and carried through gas flames in the operation of "gassing." A stop-motion is used to draw the yarn out of the flame in case it knots and stops, and thus prevents it from burning off.