The material on which the record is made and/or the driving means for the same.
SEE OR SEARCH THIS CLASS, SUBCLASS:
82+, 95+, 99, 104, 129, and 133, for various combinations classified on the basis of the use of a card receiver.
SEE OR SEARCH CLASS
101, Printing,
415.1, for means, per se, for securing flexible sheets to a base for holding and stretching the same even though disclosed for use with a recorder, and see the notes for related art.
