Page 10 Advertisement 1

Radio Record, Volume IV, Issue 37, 27 March 1931, Page 10

Have you realised that the valves of your Electric Set require protection From the voltage fuctuations ofF the electric supply ? You can prolong the life of your valves at the cost of less than one valve by obtaining an 66 91 AMPERITE Automatic Voltage Regulator A type for every get__Pleage give the make and model of your receiver. Dealere and Service Men will be interested to know that the SUPREME SET and VALVE TESTERS Also SPRAGUE 8mfd. ELECTROLYTIC CONDENSERS Are obtainable at THOS. BALLINGER & Co. LIITED 58-62 VICTORIA ST,, WELLINGTON: "Where the Quality Goods are Sold,