Philips MiniWATT VF 40 V 0,15 A 50-ISOv 1 SA ThE 18p4 SILEDER TMe JLOPE ThE BETTER TwE VALVE The curves of 'Philips Min- Iwatts SOAR up -they're higher-they" re steeper The slope of a valve tells you much for the steeper it IS the greater the change in the plate current-grid voltage ratio, higher efficiency, and of course the louder and clearer YOuf music: Jm 0 piub 06 Ib INDIviDuAL STRUMENTS eitb Plkps uAL ") 350 ~40 Tte CRSN Mdot q Phuupr Lanp (N.ZNLlL, (Radio Dept} Hop: Gibbors BWg Courterov Places Webingtor. 0 1 'Hicies) MImAtT
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https://paperspast.natlib.govt.nz/periodicals/RADREC19290412.2.11.2
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Radio Record, Volume II, Issue 39, 12 April 1929, Page 5
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96Page 5 Advertisement 2 Radio Record, Volume II, Issue 39, 12 April 1929, Page 5
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