400 / | HD | TYPEWRITING MACHINES |
679 | DF | MEANS AUXILIARY TO TYPEWRITING FUNCTION {12} |
703 | DF | .~ Indicator means {7} |
706 | .~.~ For indicating position of line or end-of-page {3} | |
706.1 | DF | .~.~.~> By scale mounted on paper table |
707 | DF | .~.~.~> By means driven from platen cylinder {3} |
708 | DF | .~.~.~> Including detector of record-medium {1} |