Rolls-Royce Archives
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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).
Battery test log detailing charge, weight, cell densities, and discharge performance.

Identifier  ExFiles\Box 38\5\  Scan061
Date  29th April 1919
  
-2-
Contd.
Date.
(5) Second charge:-
Amperes. From. To. Hours. Ampere hours.
Total ampere hours
(6) Emptying and re-filling.
(7) Continuation of charge. O.K.
(8) Weight of battery. 9 1/4 lbs. 12 ozs.
(9) Cell densities :-
(1) 1295 (4) 1300
(2) 1300 (5) 1350
(3) 1350 (6) 1355
29.4.19.
(10) Discharge at 6.0 amperes
to 10.5 volts.
Total hours. 8.5
Ampere hours realised. 51.0
30.4.19.
31.4.19.
Contd.
H.R. 255A (500 T) (S.D. 408. 26-4-17.) Bin. 2/156/13.
  
  


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