| 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 | DF | .~.~ With manual tone arm displacement adjunct (e.g., cueing) {1} |
| 246 | ![]() | .~.~.~ With viscous limiting of motion (e.g., rate damping) |