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RADIO BROADCAST ADVERTISER
of the leading "B" Eliminator manufacturers
USE OR RECOMMEND
OAROSTAT
the greatest variable resistor! (RAYTHEON, of course, included)
CLAROSTAT covers every resistor need. It is designed for the precision control of modulation, regeneration, oscillation, grid action, plate voltage and general laboratory practice.
* and the roll is growing!
"THE GATEWAY TO BETTER RADIO" a 32-page book which gives accurate instructions for the use of CLAROSTAT in every conceivable type of circuit is now available. It covers all the popular types of receivers, B eliminators and power amplifiers. May we send you a k copy? Price 25c. rC
American Mechanical Laboratories, Inc. ^ov^ 285-287 North 6th St. Brooklyn, N. Y. ( hole
mount
ClARQSTAT
B Battery Eliminator
Complete With
Raytheon Tube
TYPE 2 For 1 10-120 Volt A C 60 Cycle Current
$35.00
TYPE 2 A Higher Powered Eliminator for extremely large eets
$42.5©
TYPE 2C For 110-120 Volt A C , 2 5 or } 0 Cycle Current . $47.50
No Fixed Voltage Taps
with the Kingston, three different voltages and obtainable at the same time.
Extreme Flexibility
Bach tap is adjustable over a wide range, making any voltage from 5 to ISO possible.
The Raytheon Tube
The Raytheon Tube is used as a rectifier only the highest quality is admitted to the Kingston.
Is Without Noise
The Kingston operates with extreme quietness and without vibration and will not heat.
No Acid or Solution
No trouble to operate and operation cost is extremely low. Will not get out of order.
;npHE KINGSTON B
BATTERY ELIMI
NATOR means clear, full reception ^always richer, finer tone quality, and release from most of your radio problems.
Do away with troublesome, expensive, bulky batteries, with a dead radio set just when you want it most, with acids, with the danger of stained rugs.
The Kingston B Eliminator is compact, handsomely finished in black and nickel, and guaranteed not only to remove battery nuisance, but to deliver increased volume. A trial will convince you.
oAt Your dealer's
•fa Examined and approved by Radio Broadcast ic