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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).
Request to add identification plates to Peregrine cylinder heads to track modifications and types.

Identifier  ExFiles\Box 169\4\  img223
Date  7th November 1932
  
Mis

RHC.{R. H. Coverley - Production Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}5/MA. 7.11.32. x

PEREGRINE CYLINDER HEADS.

We are getting somewhat involved with the Peregrine Cylinder Heads owing to the various compression ratios, valve sizes and turbulent and non-turbulent types.

It would be of great assistance to us if you could fix a plate to each head giving the capacity in C.C's turbulent or non-turbulent type, large or small dia. valve.

If in addition each head had a number we could keep track of the various modifications made to it.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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