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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).
20-hour endurance test on 3 Layer Vandervell main bearings for the B.V. No.6 Unit.

Identifier  ExFiles\Box 115\2\  scan0450
Date  25th April 1939
  
1020.

To from HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}
Rm.{William Robotham - Chief Engineer}
HPS.{Horace Percy Smith - Experimental Factory Mgr}

Rm{William Robotham - Chief Engineer}

HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}1/BA.25.4.39.

B.V. No.6 Unit.

3 Layer Vandervell Bearings - Main.

We attach hereto for reference photograph of the above main bearings after 20 hours endurance test.

HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth}

R.H.
  
  


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