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).
Asking for and specifying a recommended material for production.

Identifier  ExFiles\Box 175\2\  img119
Date  26th May 1941 guessed
  
->D.T.D. 424<-
D.T.D. 434.
What material is recommended for production.
D.T.D 434. Grade 3. RR50.
(Remelted Scrap)
(Low side in Magnesium)
  
  


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