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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).
Recommending an amendment to the instruction book regarding battery trickle charging.

Identifier  ExFiles\Box 26\2\  Scan311
Date  6th April 1929
  
BY/NHW. from EFC.
V8782 (handwritten)
EFC2/T6.4.29.
X664 (handwritten)
RE INSTRUCTION BOOK.
Section entitled "Charging in Garage from External Source"
We recommend that the last paragraph be Deleted and replace with paras. as follows :-
Procedure (handwritten)
"Where the conditions of running are such that a moderate demand is made on the battery, and when suitable direct current supply is available, we recommend that it be made a rule to [struck through] leave the battery on charge at 'trickle' rate (about 1/4 ampere) when the car is in the garage, as such a procedure will [struck through] assist in keeping the battery in thorough condition.
[Handwritten edit above 'we recommend that it be made a rule to': it is good]
[Handwritten edit above 'will': will]
"In cases where the demand on the battery is relatively small, and ample charging proceeds whilst running, then charging in the garage is unnecessary."
EFC.
  
  


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