Page 18 Advertisement 1

Radio Record, Volume IV, Issue 33, 27 February 1931, Page 18

KERSTEN EXPONENTIAL PUBLIC ADDRESS SPEAKERS Type 2505A -for Theatre, Dance Hall Or Rink: Size Height, 40fin+; Width; 30in. ; Depth; 30fin. ; Air Column, 1Oft. f11/0/: Type No. IB Trumpet, Bell diameter, 30in. ; Length, 66in. For. use out-of-doorg: or in large halls_~wherever trangmigsion to a great distance i8 necesgary 0 {5 Kerstern Special Power Electro-dynamic Unit, for uge with above horns; 6-volt type; with transformer 820 SPECIAL BROADCASTING Send for Illustrated MICROPHONE: Double Button, Listo. low "kieg level, high sensitivity_ Was 236/15/- 824 L B SCOTT Ltd. Our Prjice BOX 395, CHRISTCHURCH