The talking machine world (Jan-June 1928)

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The Talking Machine World, New York, March, 1928 79 A Message to the dealer who says : "Show me one 'A' Power Unit that stands up in modern radio service!" THE Gould Kathanode Unipower is fundamentally different from any other automatic trickle charging "A" power device in the market. And in that difference lies the secret of a new record for reliability— long life — freedom from trouble. KATHANODE CONSTRUCTION THE SECRET OF LONG BATTERY LIFE Note how positive plates are inclosed between porous protective retainer walls of ivoven glass. This is the secret of remarkable durability and long life. First developed for Could submarine batteries, this new protected plate construction has proved equally valuable in radio and other constant trickle charge service. Practically all of your "A" power grief in the past has come from one cause — rapid disintegration of the plates in the battery element of the unit. This is definitely eliminated by Gould Kathanode construction. That is why the new Gould Kathanode Unipower stays on the job day in and day out, beyond all previous expectations. Out of the first 4000 Gould Kathanode Unipowers in use, only 4 have ever required ser' 1. Kathanode Neg. Plate 2. Specially treated ribbed wood separator 3. Woven glass mat retainer 4. Special Kathanode Pos. Plate of high capacity and long life vice. And these 4 were due to minor mechanical defects — not one battery failure has been found. This remarkable record is primarily due to Gould Kathanode battery construction. Patented glass retainer mats protect the plates against the destructive effect of trickle charge operation. See this new Unipower and judge for yourself. Your nearest Gould jobber will gladly show you one — at no cost and without obligation. If you have been having trouble with ordinary "A" power devices, write today for full information and descriptive literature. Gould Storage Battery Co., Inc., Depew, N. Y. The new Gould Kathanode TTnipower IMPORTANT NOTE: Authorized Gould Unipower Service Stations located at strategic points are now equipped to repair the old type Gould Unipower with the new Kathanode elements at special reduced prices. Full details on request.