| 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} | 
| 518 |  | .~.~ Carbon paper carrier(s) respositionable relative to platen {6} | 
| 518.1 | DF | .~.~.~> Plural carriers disposed side-by-side for selective use singly or simultaneously | 
| 518.2 | DF | .~.~.~> Plural carries for serial retraction of plural carbon papers | 
| 518.3 | DF | .~.~.~> With means to imprint selectively on one or more media (e.g., by holding selected media away from print-line) | 
| 518.4 | DF | .~.~.~> Including retraction of carbon paper and record-medium and subsequent advance of record-medium | 
| 519 | DF | .~.~.~> Carbon paper carrier movable rectilinearly {3} | 
| 519.7 | DF | .~.~.~> Carbon paper carrier on endless member |