400 / | HD | TYPEWRITING MACHINES |
|
679 | DF | MEANS AUXILIARY TO TYPEWRITING FUNCTION {12} |
703 | | .~ Indicator means {7} |
704 | DF | .~.~> For indicating typist's skill or needed adjustment |
705 | DF | .~.~> For indicating position of carriage along print-line {5} |
706 | DF | .~.~> For indicating position of line or end-of-page {3} |
709 | DF | .~.~> For aligning record-medium with print-point or print-line (e.g., for facilitating correction of error, etc.) {2} |
710 | DF | .~.~> Including a page counter |
711 | DF | .~.~> Including a light |
712 | DF | .~.~> Including means producing an audible sound (e.g., plural tones, etc.) |