57 / | HD | TEXTILES: SPINNING, TWISTING, AND TWINING |
1 R | DF | APPARATUS AND PROCESSES {45} |
315 | DF | .~ With drafting {5} |
319 | DF | .~.~ Intermittent {1} |
320 | DF | .~.~.~ Mule type {3} |
321 | DF | .~.~.~.~ Spindle drive control {1} |
322 | DF | .~.~.~.~.~ Quadrant {1} |
323 | .~.~.~.~.~.~ Faller controlled |