| 400 / | HD | TYPEWRITING MACHINES |
| 497 | DF | WITH CONTROL OF "CARBON PAPER" FOR TYPING PLURAL SIMULTANEOUS COPIES BY SINGLE IMPRESSION (E.G., ON "MANIFOLD SET") {10} |
| 513 | DF | .~ Including relative movement between carbon paper and record-medium {5} |
| 514 | ![]() | .~.~ Including positioning of auxiliary record-medium |