Page 68 Advertisement 1

Radio Record, Volume VIII, Issue 1, 12 July 1935, Page 68

Uhe: is onty one ROLLJ ROYCE huro): avc ily; 0E RADIOTRONS In every branch of human endeavour there i8 one outstanding: 0toH Cul leader_ With radio valves it is the world-famous R.CA_ Micro- Owt Sensitive Radiotrons. Since the commencement of broadcasting Warnintee the manufacturers of Radiotrons have led the way in developing and introducing new valves in creating new standards of effi- ebroben | ciency and brilliance of performance: VS eartorokrwrchaue| No matter what make your radio, no matter what type of circuit attimeol "t employs, there is a complete set of Radiotrons to suit it: By replacing your worn-out valves with Micro-gensitive Radiotrons you give fresh sparkle to your receiver and ensure maximum TAaton performance. ON PAT : PEkD Five great improvements make Radiotrons give better performance than ever before. 1. Precision Construction makes every valve a "matched" r'NL Yd ) d valve. Ro8lolav3 2. More Efficient Cathodes assure uniform performance throughout life: 3_ Improved Heater Design reduces hum, eliminates noise from heater-cathode circuit and gives quick action. The Nez Sealed Non 4. Higher Vacuum results in quieter operation. Refillable RCA. Carton is 5. Cooler Grids prevents Auctuation in volume due to erratic a metab-locked safe that valve performance. ensures yoW getting guaran- teed , factory-fresh, factory- Micro- SENSITIVE tested R.CA Radiotrons. RADIOTRONS N.Z: Agente: Jr And from all ALL NTTIONA BEctRICAL Good Radio BRANCHES: Dealers. AND [NuinEt !inG {COMPANY ;, LIMITED void quarantee