400 / | HD | TYPEWRITING MACHINES |
283 | DF | CARRIAGE OR CARRIAGE-MOVING OR MOVEMENT-REGULATING MECHANISM {11} |
319 | DF | .~ Carriage-feed mechanism (e.g., escapement, etc.) {14} |
333 | DF | .~.~ Universal-bar or actuator therefor {3} |
333.3 | .~.~.~ Actuated by type-bar or type-bar action |