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).
Material and Brinell hardness alteration for a Union return to pump part due to water contact.

Identifier  ExFiles\Box 118\1\  scan0254
Date  25th April 1940
  
To Rm.{William Robotham - Chief Engineer} FILE 148/RE 25 APRIL '40
B40 1044 SEC. 5160
RE 563. UNION. RETURN TO PUMP
ALTERATION
MATERIAL ALTD FROM S/Mc401 To S/S 229B
BRINELL FROM 187-247 TO 207-235
REASON
AS THIS PIECE COMES INTO DIRECT CONTACT WITH WATER.
ANY EXISTING STOCK TO BE USED UP.
Shaw
  
  


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