400 / | HD | TYPEWRITING MACHINES |
679 | DF | MEANS AUXILIARY TO TYPEWRITING FUNCTION {12} |
717 | DF | .~ Attachment for holding an article (e.g., pencil, eraser, etc.) {1} |
718 | DF | .~.~ Copyholder {1} |
718.1 | ![]() | .~.~.~ Actuated by typewriter (e.g., to simulate line-spacing, for web copy, etc.) {1} |
718.2 | DF | .~.~.~.~> With adjustment of line-spacing |