Page 7 Advertisement 1

Radio Record, Volume II, Issue 7, 31 August 1928, Page 7

The All British Valve Mullard JKe (0)T PER HouR 0f 600 D RAd0 Re{EpTiON It all depends _ on the valves you use: Most of them look the Same from the outside__it$ the inside that counts. Mullatd valves the only valves containing the wonderful PM Filament-ensure the finest reception of which your set is capable at the lowast maine tenance cost: It stands to reason-_they cust no more to buy, they consume only .075 amps, their gigantic emission surface gives maximum powerand purity and they last for years. Every radio dealer stocks Mullard MasterValves-theall-British Valve with the wonderful PM.Filament: Mullard THE MASTER VALVE Sole N. Selling Agents SPEDDING EE3toI; Rii Ura Customs St. anal Anzac Avenues Auckland Dominion Building, Wellington ; Madras Street, Christchurcb ; 42 Orawford Street, Dunedin, dvt; the Mullard Wireless Co Ltd Ion don. England.