| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
| 176 | DF | DYNAMIC MECHANISM SUBSYSTEM {8} |
| 178 | DF | .~ Access of multiple storage elements (e.g., record changer) {14} |
| 202 | DF | .~.~ Discs sequentially fed to turntable {3} |
| 204 | ![]() | .~.~.~ By edge controlled feeding of disc {1} |
| 205 | DF | .~.~.~.~> With feed cooperating structure on spindle |