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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).
Suggested modifications to the battery charge controller.

Identifier  ExFiles\Box 59\1\  Scan223
Date  16th January 1928
  
X 4008
C. EFC.

BY/RD/AL16.1.28.

BATTERY CHARGE CONTROLLER.

Further modifications have been suggested by EFC. to the controllers built and we now send you herewith particulars of the alterations which should be carried out on the two units EFC has, as and when they are available,-

(a) New winding on resistance coil,
(b) Brass upper cheeks on bobbins,
(c) Contact points arranged parallel to armatures and adjustable.

This is all catered for in our alteration 2505/D, the new prints being:-

D.71518 - Spring Hood.
D.71519 - Distance Piece.
D.71520 - Contact Holder.

Will you please put the parts in hand.

BY/RD.
  
  


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