| 400 / | HD | TYPEWRITING MACHINES |
| 251 | DF | CASE-SHIFT MECHANISM {14} |
| 261 | DF | .~ Multiple-shift mechanism (i.e., for type-bar having three or more type faces thereon) {2} |
| 263 | DF | .~.~ For shifting type-bar or type-face on type-bar {2} |
| 263.1 | ![]() | .~.~.~ By pivoting type-face relative to type-bar |