400 / | HD | TYPEWRITING MACHINES |
1 | DF | INCLUDING JUSTIFICATION OR QUADDING OF PRINT-LINE {6} |
3 | DF | .~ By programmed-control-system {1} |
4 | .~.~ On auxiliary-record-program (e.g., tape, card, etc.) {3} | |
5 | DF | .~.~.~> Magnetic record |
6 | DF | .~.~.~> With error-correcting storage register |
7 | DF | .~.~.~> Including artificial or end-of-line hyphen |