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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).
Instructions and results for tests on multiple storage batteries.

Identifier  ExFiles\Box 41\2\  Scan146
Date  31th December 1924
  
RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049
X.3711.
108638
ROLLS-ROYCE LIMITED.
INSTRUCTIONS.
To: E.J.B.
31-12-24 19
Order No.:
Customer's No.: X3711
Re: J.B. 81.
Re Tests on Multiple Storage Battery.
These batteries after being in use for some considerable time at the Formans Club, were returned to our laboratory for test. The results of which are as follows: Low Rate Discharge through an invariable external resistance of 1.80w, gave an average current of 6.42 amperes for 26 hours = 163 ampere hours.
After a good charge followed a High Rate Discharge through an invariable external resistance of .100w.
Signed: (cont'd)
This Sheet must be filed on completion of the work.
  
  


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