(under the class definition) Device including means movable or adjustable from one position or condition to another; such means, while in the one position, being effective to prevent restoration (i.e., return to idle or nonselecting condition) of the tool-selection means and, in the other position, being effective to cause or permit such restoration.
SEE OR SEARCH THIS CLASS, SUBCLASS:
57, for optionally-settable means to clear a storage instrumentality upon read-out therefrom.
