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. RADIO BROADCAST ADVERTISER.
EVEREADY RAYTHEON
-PILLAR TUBES
BRING OUT THE BEST THAT'S IN ANY RADIO RECEIVER
EVE READY RAYTHEON
Trade-marks
THE GREATLY superior performance of new Eveready Raytheon Tubes means the very best reception a radio receiver can give. People in all parts of the country report amazing results from their own receivers since installing these marvelous new tubes. Greater distance, more power, improved tone, quicker action!
Put a new Eveready Raytheon Tube in each socket of a receiver — and note the vast improvement. Then examine one of these tubes. Observe the solid, fourcornered glass stem at the base of the elements, supporting the four rigid pillars which hold the elements. Notice how the elements are anchored at both sides as well as at the ends. Note how this 4-Pillar construction is braced still further by a stiff mica plate at the top.
The jolts and jars all tubes receive in shipment cannot distort the elements in an Eveready Raytheon. Handling these tubes and installing them cannot impair their performance. For the elements are permanently held in their correct and accurate positions by the patented Eveready Raytheon 4-Pillar construction.
No other tube can give you all the advantages of this 4-Pillar construction, for it is patented and exclusive with Eveready Raytheon. These fine tubes come to you in the same perfect condition as when they leave our laboratory test room ... all their superlative performance intact.
NATIONAL CARBON CO., INC.
General Offices: New York, N. Y.
Branches: Chicago Kansas City New York San Francisco
Unit of Union Carbide
and Carbon Corporation
• NOVEMBER 1 929 •