| 400 / | HD | TYPEWRITING MACHINES |
| 383 | DF | TYPE-BAR-ACTION MECHANISM OR TYPE-FACE ON TYPE-BAR OR TYPE-FACE INKER {19} |
| 462 | ![]() | .~ Type-member structure {4} |
| 463 | DF | .~.~> Removable type-member |
| 464 | DF | .~.~> Rotatable on type-bar |
| 465 | DF | .~.~> Pivotable on type-bar |
| 466 | DF | .~.~> Type-face or type-die configuration (e.g.,reverse image, boldface, piercing, etc.) |