72081602
Sep 17, 1959
Jan 30, 1962
ELECTRICALLY-OPERATED APPARATUS FOR THE CUING OF SPEAKERS AND ACTORS BY MEANS OF SCRIPTS ADVANCED IN CONFORMITY WITH THE ACTION AND/OR DIALOGUE OR MONOLOGUE TO BE PRESENTED AND ELECTRICAL DRIVING, SWITCHING AND SPEED CONTROL EQUIPMENT THEREFOR, ELECTRICAL CIRCUIT CONTROL APPARATUS, RELAY CONTROL PANELS, AND LIGHTING CONTROL APPARATUS
Housewares and Glass