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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).
On the specifications of the 'India' servo, with a request to fit these parts to two other cars for testing.

Identifier  ExFiles\Box 78\2\  scan0041
Date  14th July 1925
  
To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}

X5375 (handwritten)
Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/LG14.7.25.

'INDIA' SERVO.
X.4388 (handwritten, crossed out)
X5375 (handwritten, crossed out)

The present 'India' servo recently submitted to R.{Sir Henry Royce} and approved by him, was Halo lined, fitted with 45° cams of .7" mean radius.

We should therefore like the two other cars which are at present being built up to be fitted with these parts for test.

Hs.{Lord Ernest Hives - Chair}

180W (faint stamp)
  
  


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