369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
244 | DF | .~ Specific detail of transducer assembly support structure (e.g., tone arm) {8} |
245 | .~.~ With manual tone arm displacement adjunct (e.g., cueing) {1} | |
246 | DF | .~.~.~> With viscous limiting of motion (e.g., rate damping) |