| 369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL | 
| 24 | DF | OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION {3} | 
| 30 | DF | .~ Selective addressing of storage medium (e.g., programmed access, "juke box") {7} | 
| 36 | DF | .~.~ With unitary plural disc carrier {3} | 
| 38 |  | .~.~.~ Moving linear array |