| 400 / | HD | TYPEWRITING MACHINES |
| 191 | DF | INCLUDING INTERPOSED INKING DEVICE (E.G., RIBBON) FOR RECORD-MEDIUM {15} |
| 223 | DF | .~ Ribbon-feeding mechanism {13} |
| 224 | ![]() | .~.~ For feeding ribbon angularly to print-line at print-point {1} |
| 224.1 | DF | .~.~.~> Ribbon fed perpendicular to print-line at print-point {1} |