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).
Letter from Wellworthy Piston Rings Ltd. discussing potential failures in casting, material or physical properties.

Identifier  ExFiles\Box 148\1\  scan0326
Date  26th May 1941
  
JH/KES
- 2 -
26th May, 1941.

whether there is any failure in casting technique, or material, or whether this is just a question of failure due to lack of physical properties.

Yours sincerely,
John Howlett
Managing Director.
WELLWORTHY PISTON RINGS LTD.
  
  


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