9 RADIO APPARATUS AND PARTS THEREOF; LOUDSPEAKER SYSTEMS; APPARATUS WITH THEIR PARTS AND ACCESSORIES FOR GRAPHIC INDUSTRY AND FOR USE IN OFFICES, INCLUSIVE OF AUDIO-VISUAL AIDS-NAMELY, COLLATORJOGGERS WHICH ARE USED TO BRING TOGETHER LOOSE SHEETS TO CATALOGUES, COMPENDIA, PRICE LISTS OF CIRCULARS; LOCKABLE AND EXPANDABLE FILING SYSTEM FOR STENCILS AND OFFSET PLATES; IMAGE PROJECTORS FOR AUDIO-VISUAL COMMUNICATION; PHOTOGRAPHIC, CINEMATOGRAPHIC, OPTICAL, CHECKING (SUPERVISION), AND TEACHING APPARATUS; COIN OR COUNTER-FREED VENDING APPARATUS; TOKEN MACHINES; CASH REGISTERS; CALCULATING MACHINES