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RADIO DIGEST — Illustrated
February
'THE AIR IS FULL OF THINGS YOU SHOULDN'T MISS'
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Eveready "C" Battery
4% volts, three distinct U3es. Length, 4 in.;
width, 1% in.; height, 3 in.; weight, 14 oz.
At all reliable radio dealers.
This UC" Battery is a Wonder Worker
YOU can make the loud speaker respond with a new fullness and naturalness of tone. You can save money by adding months to the life of your "B" Batteries. These things you can do by using the new Eveready "C" Battery.
You already have an "A" Battery for the filament and a "B" Battery for the plate. A "C" Battery is connected to the third element of your vacuum tube, the grid, affording a control that is marvelous in action on audio frequency amplifiers.
As a "CT Battery the Eveready "Three" prevents distortion and excessive flow of cur' rent from the "B" Battery, lengthening its life. It is a wonder worker that saves its small cost many times over. Connect it in your audio fre' quency amplifier and note the difference. Full
directions on the label and in "How to Get the Most Out of Your "B' Battery," a booklet on "B" and "C" Batteries, sent free on request.
This triple-use battery can also be used as an "A" Battery in portable sets. Light and full of pep. Its third use is as a "B" Battery booster.
Use the Eveready "C" — a tested product of the world's leading electro-chemical bat' tery laboratory. It serves more radio uses and effects more economies than any radio battery heretofore developed.
If you have any battery problem, Radio Battery Information Headquarters will solve it for you. Write G. C. Furness, Manager, Radio Division, National Carbon Company, Inc., Thompson Avenue and Orton Street, Long Island City, New York.
NATIONAL CARBON COMPANY, Inc., New York— San Francisco
Headquarters for Radio Battery Information CANADIAN NATIONAL CARBON CO.. Limited, factory and Ojfices: Toronto, Ontario
EVEREADY
Radio Batteries
^they last longer
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