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RADIO BROADCAST ADVERTISER
Finally — the Perfect "A" Eliminator
For Your Present Set or the Set you eventually buy
Our 4-voIt "A" Eliminator Fits Into All Radiol* Consoles
S i I v erAip aut y
Replaces "A" storage battery and charger; has full wave "dry" rectification; maintains required voltage inuniform, constant flowjoperates automatically by moving a switch; economical— uses minimum amount of current (about l-10cost of using electric iron); has rheostat control for additional refinement in voltage and reception; gives maximum power to radio tubes and lengthens their life; no acids to test or spill. Satisfactory results guaranteed.
Its principle is simple and correct!
The 110 volts Alternating Current is scientifically reduced with the famous "Silver Beauty" transformer coil to deliver the proper voltage to an especially developed dry, noiseless rectifier, which transforms the electricity to direct current. This current of exact voltage, is then transmitted through a patented special filter which clarifies the current, eliminating all foreign noises caused by rectifier or generator.
The Silver Beauty "A" Eliminator is endorsed by prominent radio engineers — adopted by leading distributors and dealers — approved by thousands of users. These are sufficient reasons for making Silver Beauty your choice.
50
39 $43 $39
6-volt; 2 amp. 6-volt; 3 amp. 4-volt; J^-amp. $2 Higher West of Rockies
Silver Beauty "b-cm unit
Does a'way with "B and "C" batteries Embodies every ur. to-date refinement and principle, insuring smooth, unfailing reception. A9 beautiful as it is efficient. No. 450 180 Volts— 40 Milliamperes
individual adjustment adapted to all sets.
Silver Beauty
CHARGERS
Employing an entirely new method of rectification. Two models — -with or without bulbs.
See Your Dealer or Jobber
Triple-ASpecialty Company
Manufacturers of the famous Silver Beauty Chargers 312-316 South Hamilton Ave., Chicago, 111
JVrite today for your copy of
"Copper Shielding for Radio91
This new book shows how to improve the reception of your set. There is no charge.
Copper shielding means greater selectivity and sensitivity.
COPPER fef BRASS
RESEARCH ASSOCIATION
25 Broadway, New York
Independent Radio Corporation
Manufacturers of
Precision Radio Apparatus
1516 Summer Street Philadelphia
IT DELIVERS FULL "B" VOLTAGE
B-Battery Eliminator
Operates from lighting current like other household appliances. No hum or vibrations. Smooth constant plate supply. Once connected it requires no further attention or adjustment. Remarkable results on local and long distance reception. Price $47.50.
Slightly higher west of Rockies
Write for data American (§/ecfric (pmpa/i{/,j//i&
State and 64th Streets Chicago, U. S. A.
Makers of Burns Speakers
To"BERADIO
. 's a wonder for power and BeleC'
tivity. Famous ARLcir
Coast to coast reception! Finely built of selected, tested parts. Thousands now in I FREE Log and Call Book and New 132-p. Catalog ll). with thousands of nationally advertised bargains. / tAfl/rt Im Latestinradioatbigsaviners.WriteforFreecopy. IBAR/^a
AMERICAN AUTO & RADIO MFG. CO. / 5~£UfVS HARRY SCHWARTZBERO, PRES. Dept. 121 American Radio Bldg., Kansas City, h
We carry the complete line of S. M. PRODUCTS, including the S. M. Improved Shielded Six, S. M. 660, S. M. Reservoir "B" Kits, S. M. Transformers, etc.
OTHER KITS IN STOCK
L. C. 28
Remler Infradyne
New Karas Equamatic
Power Packs
and others
OUR NATIONAL REPUTATION is built on the Completeness and Reliability of Our Service. We allow the Usual Trade Discount to Our Customers. Our Catalog lists all the latest kits, sets, and accessories. SEND FOR CATALOG AND DISCOUNT SHEET TO-DAY.
WHOLE SAIiE RADIO SERVICE CO.
6 CHURCH ST NEW YORK CITY