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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).
Requesting the creation of a modified induction pipe based on sketch Hs.2080 for Spectre and 20/25 models.

Identifier  ExFiles\Box 93\2\  scan0073
Date  13th August 1935
  
To RHC.{R. H. Coverley - Production Engineer}
+308
Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}14/KW.13.8.35.

Induction Pipes.

In conjunction with the induction pipe tests we are at present carrying out, re SpectreCodename for Phantom III and 20/25, will you please make a pipe as shown on the sketch Hs.{Lord Ernest Hives - Chair}2080. In this, we have applied a similar modification to that which has been found successful on 20/25. If we can improve a 2 carburetter system in the same way, the results may be applied to the 4 carburetter scheme which will go into production on the first SpectreCodename for Phantom IIIs.

HS{Lord Ernest Hives - Chair}/C.T.Salt.
  
  


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