Page 14 Advertisement 2

Radio Record, Volume I, Issue 7, 2 September 1927, Page 14

Carborundum Detectors AND STABILISING UNIT Mean Increased Selectivity No More Greater Distance Fiddling 1 More Volume Better Tonal Quality The Carborundum Detector is permanently fixed; No fiddling with a cats whisker: The Carborundum Detector will increase the efficiency Of YOUR Set: You will be surprised at the new-found Dower: Some Cryetal Sets with Carborundum Detectors have heard stations 1100 mniles away, Can yourS do that % Read the criticism of "Megohm" in the "Notcs" O1 page 14 Obtainable from all Radio Dealers, and from the Sole New Zealand Digtributors: John Chambers & Son Ltd: WELLINGTON: Also at Auckland, Christchurch, Danediu and Invercargill