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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).
Request to calibrate an L.H. S.S. Oil Level Indicator from British to American gallons.

Identifier  ExFiles\Box 19\3\  Scan315
Date  2nd May 1930
  
To Hs.{Lord Ernest Hives - Chair}
C.W.D/W.L.

BY/CS5/IG.2.5.30.

L.H. S.S. - Oil Level Indicator - Sec:5204.

Will you please have the above calibrated to correspond with American gallons instead of British, and kindly advise us of the actual graduations as in memo: Hs{Lord Ernest Hives - Chair}/AJL1/LG.9.4.29, so that we can instruct Indicator to suit.

British gallon - 277.27 cu: ins.
American gallon - 231 cu: ins.

BY/CS.
  
  


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