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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).
Requesting the machining of a high power single cylinder unit block.

Identifier  ExFiles\Box 134\1\  scan0128
Date  8th February 1939
  
1129

To HPS.{Horace Percy Smith - Experimental Factory Mgr}
c. to Da{Bernard Day - Chassis Design}/Jnr.{Charles L. Jenner}

Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}5/JH.8.2.39.

HIGH POWER SINGLE CYLINDER UNIT.

Will you please machine 060" from the base of the cylinder block at present fitted to this unit. This modification is required to bring the top of the piston flush with the top of the cylinders and should be carried out immediately the present series of tests are completed.

Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}
  
  


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