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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).
Supply of two types of ignition coils to Messrs. North for secondary winding.

Identifier  ExFiles\Box 69\1\  scan0268
Date  5th December 1929
  
X8710

RHC.{R. H. Coverley - Production Engineer} from EFC.
c. Sft{Mr Swift}/Mr Brock
c. Ey.

EFCB/AD5.12.29.

X.8710. IGNITION COILS FOR SECONDARY WINDING
BY MESSRS. NORTH.

In accordance with Messrs. North's offer, it is our intention to send two ignition coils to them for secondary winding, these coils only to be finished here to the extent of completing the primary winding.

We desire one of these coils to be present standard and one to be of the type with tubular base for secondary. In the former case it will be left to Messrs. North to provide the insulation between the primary and secondary.

Will you please arrange to supply us with two ignition coils finished off at the stages described for this purpose.

HEW.

EFC.
  
  


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