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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).
Attaching the production specification for a new field resistance unit for the Standard 20/25 Three Rate Charge Dynamo.

Identifier  ExFiles\Box 163\6\  img269
Date  23th February 1933
  
x6016

By.{R.W. Bailey - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Wst.
c. to Sft{Mr Swift}/Mr.Brock.

Hs{Lord Ernest Hives - Chair}/Wst.4/MA.23.2.33.

STANDARD 20/25 THREE RATE CHARGE DYNAMO.

FIELD RESISTANCES.

We send you herewith attached production specification of inspection and test for the new resistance unit now coming through on production.

Hs{Lord Ernest Hives - Chair}/Wst.
  
  


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