Page 60 Advertisement 1

Radio Record, Volume VIII, Issue 45, 17 May 1935, Page 60

Jhee is onCy One ROLlS ROYCE hbJrS anc il; OvE RADIOTRONS haro) In every branch of human endeavour there is one outstanding Ow leader. With ra dio valves it is the world-famous RCA. Micro- Zarrnintee Sensitive Radiotrons. Since the commencement of broadcasting the manufacturers of Radiotrons have Jed the way in developing ~Karriontec voneie and introducing new valves ~in crea ting new standards of effi 'cartoni| ciency and brilliance of performance. Gcaine o No matter what make your radio, no matter what type of circuit it employs, there is a complete set of Radiotrong to suit it. By replacing your worn out valves with Micro-Sensitive Radiotrons ZAator you give Fresh sparkle to your receiver and ensure maximum PENO ON performance PAT Five great improvements make Radiotrons glve better performance than ever before. 644eo3 N( Uauvo 1_ Precision Construction makes every valve a 'matched' = c N Nad valve: Rodtotave 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 Nere' Scaled Non- 4. Higher Vacuum results in quieter operation_ Refillable R.C.A. Carton 'Ls" 5 Cooler Grids prevents fluctuation in volume due to erratic a metal-locked safe that valve performance_ ensur es you getting guaran- teed, factory-fresh; factory- 'tested R.CA. Radiotrons. MiCRO- SENSITIVE RADIOTRONS NZ: AGENTS THE NATIONAL ELECTRICAL & ENGINEERING CO_ LTD. All Branches: And from all Good Radio Dealers Void Sowcchase |