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).
Fitting a standard ballast resistance with soldered terminals for testing.

Identifier  ExFiles\Box 168a\5\  img054
Date  2nd February 1931
  
X7720.
RHC.{R. H. Coverley - Production Engineer} from EFC.
c. Hs{Lord Ernest Hives - Chair}/AJL.
EFC4/ADL 2.2.31.

X.7720. BALLAST RESISTANCE WITH SOLDERED
TERMINALS INSTEAD OF BRAZED.

We hand you herewith a standard ballast
resistance with the wire soldered to the terminal
ferrules instead of brazed. Will you please
have this fitted to 22-EX for test.

Fitted.

EFC/HEW.
  
  


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