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A Radiotron (or every purpose
RADIOTRON UX-201-A
Detector A mpliftt
RADIOTRON UV-199
Detector Amvlifiv
RADIOTRON UX-199
Detector AmvlificT
RADIOTRON WD-11
Detector Amplifier
RADIOTRON WX-12
Detector A mplifier
RADIOTRON UX-200-A
Detector Only
RADIOTRON UX-120
J'ower A mplifier
RADIOTRON UX-222
Screen Grid Radio Frequency Amplifier
RADIOTRON UX-112-A
Power Amplifier
RADIOTRON UX-171-A
Power A mplifier
RADIOTRON UX-210
Power Amplifier Oscillator
RADIOTRON UY-224
Screen Grid Radio Frequency Amplifier iA. C. Heater)
RADIOTRON UX-240
Detector Amplifier for RcsixtuncC'CO u pled A mpttficatwn
RADIOTRON UX-245
Power A mplifier
RADIOTRON UX-250
Power Amplifier
RADIOTRON UX-226
Amplifier </) C. Filament)
RADIOTRON UY-227
Detector A mplifier (A. C. Heater)
RADIOTRON UX-280
Full-Wave Rectifier
RADIOTRON UX-281
Half-Wave Rectifier
RADIOTRON UX-874
Voltage Regulator Tube RADIOTRON UV-876
Bailout Tube
RADIOTRON UV-886
Ballast Tube
The standard by which other vacuum tubes are rated
CHARLES EDISON
President TDO.tUS A EDISON, Inc. Snyst
MBefore releasing them to oar dealers we test the performance of Edison receiving sets with RCA Radlotrons. We do this because they do fall justice to a product of which we are proud. So that purchasers may receive maximum satisfaction from our instruments we recommend to our dealers RCA Radlotrons for initial equipment and for rep lace men u"
The leading makers of radio sew sold on a quality basis use and recommend RCA Radlotrons for teste, initial equipment and for replacement If you wish 10 get the finest performance of which your receiving set is curable, replace all of your vacuum lubca once a year ut least. Old tubes left in with new one* impair the efficiency uf the others.
Look for this mark on every Radiotron
RCA Radlotrons are recognized by manufacturers and the public alike as the finest quality of vacuum tubes that can be produced. Recause of their national acceptance they are the easiest radio merchandise to sell. The dealer who carries a complete line of them, and has them always in stock, is assured of a profitable tube business the year around.
Superior resources of research and manufacturing guarantee to IK A Radiotrons the finest possible quality in vacuum tubes. They are the standard of the industry — and so accepted by both the trade and the public.
The national magazine advertisement reproduced at the left is one of the 1929 Radiotron series, each of which carries the signature of a leading radio manu
facturer.
Radio-victor Corporation of America . new york . Chicago • Atlanta • Dallas • san francisco
radiotron division
IU A ilVMIA.K.I I U (i) \
RADIOTKONS ARE THE HEART OF VOIR RADIO SET
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