| 400 / | HD | TYPEWRITING MACHINES |
| 383 | DF | TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19} |
| 398 | DF | .~ With accelerated (e.g., motion amplifying)type-bar action {9} |
| 402 | ![]() | .~.~ By breaking toggle-linkage (e.g., to pull type-bar to print-point) |