Various, Popular Science Monthly (1891)
“ Only when seen in operation can one truly appreciate what a wonderful achievement of the human mind is the combing machine. From the comb, the wool intended for worsted yarn, now in the form known as "tops," goes first to a back-washing machine, to eliminate any remaining dirt, and is again gilled. The introduction of the gill-box, or drawing machine, now effects another distinction between the worsted and the woolen yarn. It is the beginning of a process of drawing, which continues through many subsequent machines. ”
