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RADIO BROADCAST ADVERTISER
Set Builders Circuit Designers Radio Engineers
Here is a
Book You Need!
LAYING THE
Send for it Today
When the leading set manufacturers of the country choose Yaxley parts there is something more than even an outstanding reputation at work.
Yaxley parts are used in vital places; if they were not entirely dependable, these set manufacturers would not stake trade and customer satisfaction on their performance.
Yaxley Mfg. Co.
Dept. B, 9 So. Clinton St. Chicago, 111.
OF QUALITY
Polymet condensers and resistances for Radio and Television are carefully made— carefully tested, and accurately rated. — is it any wonder they are the choice of 2/3 of the R. C. A. licensed manufacturers.
Send for the Polymet Catalogue
POLYMET MANUFACTURING CORP. 597 Broadway New York City
POLYMET PRODUCTS
HOOK-UP WIRE
The DraidSudes Back*
An Amateur Set Builder Says
"As an amateur who has built quite a number of sets, I can honestly say that Braidite is the fastest and easiest hook-up wire to work with and it also makes the neatest and most workmanlike looking job. I like the way the insulation on Braidite slides right back into place after making a connection, thus leaving no exposed sections of bare wire."
At All Dealers
25 Feet Stranded 35c
25 Feet Solid 30c
Red, Green, Yellow, Blue, Black
PRPP Send us the name and address of your dealer * **-*-'*-J and we will send you a sample package of Braidite FREE. Include ioc for postage.
CORNISH WIRE CO,
38 Church Street New York City
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Licensed by Rider Radio Corporation. Patented 5-2-16; 7-27-'26. Pats. Pending
Suppress Oscillations
PHASATROL
A True Balancing Device for Radio Frequency Amplifiers
PHASATROL is an unusually efficient device for controlling radio frequency oscillations and thus eliminating the disturbances to reception which they cause. Adapted to any type of receiver using R.F. amplification. A wonderful improvement for the new A.C. circuits where the elimination of noise is often a problem. Price, $2.75 each.
Electrad specializes in a full line of Controls for all Radio Purposes including Television.
Write for Free Hook-up Circulars and Full Information
Dept.
M-12, 175 Varick Street New York
ELECTRAD
TRUE TONAL /VALUES
AUDIONS
FOR those who appreciate better radio reception, the new, perfected De Forest Audions —the latest achievement of Dr. Lee De Forest — assure the true tonal values of reproduction which add so much to radio enjoyment.
Sold by leading dealers everywhere
DE FOREST RADIO CO.
Jersey City, New Jersey
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