| 400 / | HD | TYPEWRITING MACHINES |
| 139 | DF | INCLUDING TYPE-SET-ASSEMBLAGE MOUNTED ON CARRIER AND RELATIVELY MOVABLE FOR SELECTION AND FOR IMPACT OF TYPE-FACE {11} |
| 149 | DF | .~ Plural type-heads mounted for selective individual type-head-imprinting movement {2} |
| 151 | ![]() | .~.~ Turret carrier for type-heads {1} |
| 151.1 | DF | .~.~.~> Axis of turret carrier parallel to platen axis |