346 / | HD | RECORDERS |
|
45 | DF | PLURAL-FUNCTION RECORDER, DISTINGUISHABLE RECORDINGS {4} |
49 | DF | .~ Plural markers and single record receiver {1} |
50 | | .~.~ With dotting, printing, or punching marker {5} |
51 | DF | .~.~.~> Plural selective, mechanical, manually operated, marker control devices on recorder |
52 | DF | .~.~.~> Markers under selective control of element normally discrete from recorder {3} |
56 | DF | .~.~.~> With discrete element as marker {2} |
59 | DF | .~.~.~> With clock time index-and-dial or character recorder {1} |
61 | DF | .~.~.~> With register character recorder |