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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
The short lifespan of Pritchett & Gold batteries due to plate buckling and requesting particulars on a superior Ediswan alternative.

Identifier  ExFiles\Box 61\1\  scan0059
Date  27th October 1931
  
Roy.{Sir Henry Royce} from Hs{Lord Ernest Hives - Chair}/Wst.
c. Hy.{Tom Haldenby - Plant Engineer}

X74

Hs{Lord Ernest Hives - Chair}/Wst.1/AD27.10.31. Y6104
X74

LARGE RESERVOIR BATTERY IN EXPTL. ELECTRICAL LABORATORY

The positive plates in our Pritchett & Gold type FA.11 battery have a relatively short life due to the plates curling or buckling causing short circuits to occur. Whilst talking to Mr. Preston of the Ediswan battery concern at Olympia he showed us a set of battery elements the positives of which he claimed had been specially designed in order to prevent this buckling. They guaranteed a life of 10 years for their positive plates whereas ours only last 4 years and frequently less than that.

We should be glad if you would kindly obtain further particulars of these battery plates and also quotation for the plates to suit our FA.11 Pritchett and Gold glass cells.

Hs{Lord Ernest Hives - Chair}/Wst.
  
  


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