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ELECTRAD
RADIO BROADCAST ADVERTISER
269
Don't Fool With Lightning!
It doesn't pay to economize on a lightning arrester, or to use one you aren't sure of. You can't col' lect insurance unless
you have an arrester capable of passing the National Board of Fire Underwriters. Put in an Electrad Certified Lightning Arrester — then you're sure.
Air-gap type, exterior moulded porcelain, attractive finish. Completely sealed and moisture proof. Cost little, simple and easy to attach. At all good radio stores, 50c; in Canada 75c. Outdoor type $1 -5o;in Canada $2.10
Electrad Certified Lightning Arrester
m
★
For perfect control of tone and volume use the Electrad 500,000 ohm compensator. For free hookup write 428 Broadway, New York City.
ELECTRAD
22'/2 Volt un-acid everlasting rechargeable "B"
Storage Battery $
2.95
includes chemical
45 volts $5.25, 90 volts $10. 00, 1 12% volts S12.50, 135 voltsSU.75,157% volts *I9.80.
Truly the bijrsest buy today. Easily charged on any current including 32 volt systems. Any special detector plate voltage had. Tested and approved by leadins authorities such as Popular Radio laboratories. Over 3 years sold on a non-red tape 30 day trial otter with complete refund if not thoroughly satisfied. Further guaranteed 2 years. Knock-down kits at greater savings. Complete "Hb» ley" "B" Battery Charger $2.75. Sample cell 35c. Order direct— send no money— simply pay the expressman cost on delivery. Or write for my free literature, testimonials and guarantee. Same day shipments.
B. Hawley Smith, 312 Washington Ave., Danbury, Conn.
Product of nearly 40 years' Experience
Upholding Amplion Supremacy
Hear the new Amplion Juniors. They have larger, more powerful units. The Amplion's worldwide supremacy in better radio reproduction is established even more firmly by this latest improvement at no increase in price. To hear your set at its best, hear it with an Amplion. New Junior models with cords and plugrs: AR-lll,meta]flare,$24. De Luxe, mahogany flare, $27.50.
THE AMPLION CORPORATION OF AMERICA
Suite L. 280 Madison Avenue, New York Chicapro Branch: 27-29 North Morgan St Amplion Corporation of Canada, Ltd. Toronto
'"""""""""""""""""""""""""III
•NORDE N-H AUCKr/nc
PHILADELPHIA-; U.S.X.
guilders of the hicjhest cjracfc gadii) Apparatus'" wurLl '
A New and Advanced Model—
Norden~Hauck Super10
Class Receiver in the World
Panel Size: 36"x9"xi-4" Weight: 55 lbs.
THE NORDEN-HAUCK SUPER-10 is an entirely new and advanced design of Receiver, representing what we believe to be the finest expression of Modern Radio Research Engineering. It is the product of years of experience devoted exclusively to the attainment of an ideal Broadcast Receiver — regardless of cost.
Results obtained in every respect will upset all your previous ideas of good radio reception.
Here are only a few of the host of features that place the NORDEN-HAUCK SUPER-10 far in advance of competition;
— 10 tubes employed to give perfect reproduction with unlimited
range and volume power. — Super selectivity on all wave lengths. —Built to Navy Standards.
—Wide wave length range without change of coils, etc.
(Adaptable 35 meters to 3600 meters if desired.) Use Loop or Antenna.
Simple to operate, having only two major tuning controls.
—No Harmonics. Signals are received only at one point.
Special Power Audio Amplifier, operating any loudspeaker and
eliminates necessity of external amplifier. Can be operated directly from house current if used with
NORDEN-HAUCK POWER UNIT AB-2.
The NORDEN-HAUCK SUPER-10 is available completely constructed and laboratory tested, or we shall be glad to supply the complete engineering data, construction blue prints, etc., for those desiring to build their own receiver.
Uoon Reo lies t A comPle,te catalog,
wgvwu attractively illus
trated, will be gladly mailed without charge, or full size constructional blue prints, showing all electrical and mechanical data, will be promptly mailed postpaid upon receipt of $2.00
Write, Telegraph or Cable Direct to
NORDEN-HAUCK
Incorporated
ENGINEERS
MARINE BUILDING
Philadelphia, U. S. A.
TEAR OFF AND MAIL TODAY
NORDEN-HAUCK, Inc. Philadelphia, U. S. A. Gentlemen : —
□ Please send me without cost or obligation on my part, attractive illustrated literature describing the new NordenHauck Super-10.
□ I enclose $2.00 for which please send me, postpaid, complete full size constructional drawings and all data for building the Super-10.
Name .
Address
■A" Tested and approved by Radio Broadcast -fc