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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).
Letter from Peto & Radford Accumulator Co. Ltd. regarding a 9 plate battery sample and an enclosed discharge curve.

Identifier  ExFiles\Box 38\5\  Scan051
Date  3rd May 1919
  
Manufacturers of P. & R.{Sir Henry Royce} Accumulators. Established 1889.
Victoria & Greville Works, Ashtead Surrey
X.3398
THE NEW PETO & RADFORD ACCUMULATOR CO LTD
Electrical Engineers
12, HEDDON STREET
REGENT STREET
LONDON W-1
MANAGING DIRECTORS
WILLIAM PETO M.I.E.E.
G.R.N. MINCHIN M.A.
TELEPHONE REGENT 2576
TELEGRAMS "CONCENTRATION REG. LONDON"
REF. N/C.35
3rd May, 1919.
Messrs. Rolls Royce Ltd.,
Nightingale Road,
DERBY.
Dear Sirs,
For the attention of Mr. Fowler-Clarke.
With reference to the 9 plate battery, we enclose as promised, a curve showing the 4th discharge. We think the 5th. should be slightly better.
We have now decided on the details of the new sample which we are to submit, including the cell to cell connections.
We are pushing ahead with this and will send it to you for your criticism in a condition that it will give 60 ampere hours. We expect this will be in about 2/3 week's time.
Yours faithfully,
THE NEW PETO & RADFORD ACCUMULATOR Co. Ltd.
GRN Minchin
  
  


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