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RADIO BROADCAST ADVERTISER
THREE A'S
For Six -Volt Tubes For TwoVolt Tubes For Four-Volt Tubes
If you take radio seriously
YOU want to tune in distant stations, but there is another thing you want just as keenly — to get what you get clearly.
No matter how far or how near the station is, for greatest clearness and for allround satisfaction, you must use storage batteries. Once you hook up to Exide Radio Batteries you will never be satisfied with anything less. They give uniform current, smoothly, quietly, over a long period of discharge. Like good little boys, they are seen and not heard.
For low-voltage tubes
The two newest members of the Exide family are midgets in size but giants in power. These sturdy little A batteries weigh only five and six pounds each. They furnish in full measure that uniform and unfailing power so essential to clarity and distant reception.
They were specially designed for WD-11 and UV-199 vacuum tubes, but can be used with any low-voltage tube. The two-volt Exide A Battery consists of a single cell. It will heat the filament of a WD-11 or other quarter-ampere tube for approximately 96 hours. The four-volt A battery, having two cells, will light the filament of a UV-199 tube for 200 hours.
For six-volt tubes
Like all Exide Storage Batteries, the Exide A Battery for six-volt tubes is dependable and long
THE ELECTRIC STORAGE BATTERY COMPANY, PHILADELPHIA
Manufactured in Canada by Exide Batteries of Canada. Limited. 133-157 Dufferin Street. Toronto
^ Tested and approved by Radio Broadcast +c
lasting. It is made in four sizes — of 25, 50, 100, and 150 ampere-hour capacities.
On land, at sea and in the air
It is the experience back of Exide Batteries that makes the Exide give such exceptional service in radio. There is an Exide Battery for every purpose. Exides run trucks, start and light automobiles, operate drawbridges, propel under the sea a majority of the world's submarines, send your voice over the wire every time you use the telephone.
A majority of all government and commercial radio plants both on land and at sea are equipped with Exide Batteries. The Leviathan is Exide-equipped. The giant dirigible "Shenandoah" carries Exide Batteries for ignition, lights and radio.
It does not pay to get any but a known-to-bereliable storage battery for radio. Exide Radio Batteries are sold by radio dealers and Exide Service Stations everywhere. Ask your dealer for booklets describing in detail the Exide Radio Batteries, or write us direct.
Exide
RADIO BATTERIES