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RADIO BROADCAST ADVERTISER
445
"pep VL\f your radio
for good summer reception
JEFFERSON *
TUBE REJUVENATOR
keeps tubes like NEW
A LL radio tubes weaken with use — especially in sumjt\ mer when burned at higher voltage. Keep your radio tubes efficient this summer with the Jefferson Tube Rejuvenator. Attach to a convenient electric light socket — in your own home — "bring b ack" each tube in 1 0 minutes !
Repeat once a month — note how it improves reception; doubles and trebles tube life. Quickly pays for itself thru saving tubes and batteries. A home rejuvenator for tubes is just as essential to satisfactory radio reception as a charger for storage batteries. Completely restores paralyzed or exhausted tubes. At leading stores selling radio. If your dealer can't supply you, send $7.50 to
Jefferson Electric Mfg. Co., 501 So. Green Street, Chicago, 111.
Makers of Jefferson Radio, Bell Ringing and Toy Transformers; Jefferson Spark Coils for Automobile, Stationary and Marine Engines; Jefferson Oil Burner.Ignition Coils and Transformers.
For
HOME
Use
Takes large or small tubes — 201-A, 301-A, UV-199, C>299
The Highest Class Receiver in the World
Navy Model C-io Super-Heterodyne
For any Circuit
Prompt shipment can be made on tested, standard apparatus of the following manufacture: E. I. S., Inc. General Radio Willard
Benjamin Electric Allen Cardwell Dubilier Formica Western Magnavox Jewell Amer Tran Western Electric Radio Corporation Music Master Acme Cutler Hammer Frost Federal Kellogg
Wavelength range 50-600 meters with removable Coils. Dimensions 28 in. x 8 in. x 8 in. Only two major tuning adjustments. Total amplification almost 2,000,000 times.
A high powered 10-tube Broadcast Receiver capable of receiving over 3,000 miles under favorable conditions, and having a degree of selectivity far in advance of any other.
We believe the Navy Model C-10 represents final superiority over any receiver now being manufactured or even contemplated for broadcast reception.
Illustrated descriptive matter gladly mailed upon request. Write direct to
NORDEN-HAUCK, INC.
Engineers
1617 Chestnut St., Philadelphia, Pennsylvania