57 / | HD | TEXTILES: SPINNING, TWISTING, AND TWINING |
1 R | DF | APPARATUS AND PROCESSES {45} |
66 | DF | .~ Receiving twist type {7} |
67 | .~.~ Flier type {3} | |
68 | DF | .~.~.~> With capstan |
70 | DF | .~.~.~> Bobbin lag or drag type |
71 | DF | .~.~.~> With traversing strand guide or receiver |