Page 8 Advertisement 1

Radio Record, Volume IV, Issue 39, 10 April 1931, Page 8

Heve you realised that the valves of your Electric Set require protection from the voltage fluctuations of the electric supply 2 You can prolong the life of your valves at the cost of lese than one valve by obtaining an 68 91 AMPERITE Automatic Voltage Regulator: A type for every set _ Pleage give the make and model of your receiver: Dealerg 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. LIMITED 58-62 VICTORIA ST, WELLINGTON: ~Where the Quality Goods_ are Sold;