Page 5 Advertisement 1

Radio Record, Volume II, Issue 37, 28 March 1929, Page 5

Pmirtps Eabe?matt WHY Dhilips MINIWATTIS ARB Beiter HEER ! That's the only word S that describes how' ateep j8 the slope of a modera Phitips Valve It's the slope (or Mutual Conductance if you like) that determines the effici- ency of 2 tube, for the higber , it is the greater tbe chenge io plate current for a given grid voltage: Ask for 6 Philips Valu ITS THE SLOPE THAT MAKES Folder. PHILIPS VALVES SO GOOD: Ubr 0 PBILIPS 68 B % AND "Cr POWER UNIT_SIMPLICITI {TobLBo IpdH ILI X 1 (MINIWATTS" 9RSN Jdrt; %f Philips Larps (N.Z:) Lid: (Radio Dept: } Hope G1bbons Building, Cowrlenay Place, Vdunster