226 / | HD | ADVANCING MATERIAL OF INDETERMINATE LENGTH |
52 | DF | MEANS TO ENGAGE LONGITUDINALLY SPACED MODIFICATIONS IN MATERIAL {8} |
59 | DF | .~ With additional means to restrict material movement {1} |
60 | .~.~ Fluctuation damping means {1} | |
61 | DF | .~.~.~> By flywheel |