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).
Test report on four 45mm shafts run at 2 tons for 250,000 revolutions.

Identifier  ExFiles\Box 114\1\  scan0225
Date  3rd July 1939
  
-2-
Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}13/MH.{M. Huckerby}3.7.39.

Test (5). Four 45 mm shafts left black, run at 2 tons for 250,000 revolutions.

Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}
  
  


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