Page 41 Advertisement 1

Radio Record, Volume IV, Issue 1, 18 July 1930, Page 41

# a Mr& H. L. 0' Heffernan (GSBY), of Croydon, Surrey, has been awarded first prize in the International contest organized by the American Radio Relay League to determine the World's best Amateur Radio Station: It is significant that Mullard Valves are used throughout the installation: You cannot g0 wrong by following the Jead of this expert. Make it a Mullard Valve for every stage In your own receivera Mullard THE MASTER : VALVE Advt:--The Mullara wireless Obtalnable from all good Radlo Dealers In 2, 4 and 6 volt Ux and English paso8: Servtoe cfaring Ltoross Mullard Sole New Zealand Selling Agents; SPEDDING, LTD" 2 Anzac Avenue; Auckland; Houses Road, Londot; W,o& Dominion Bldgsu Weilington; 214 Madras St , Christchurch; 42 Crawtord Sta Dunedin. acclaimed the wdrid en 45