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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).
Continuation page of instructions for operating air and petrol cocks.

Identifier  ExFiles\Box 31\3\  Scan008
Date  30th December 1914
  
-3-

J.{Mr Johnson W.M.}
for
R.{Sir Henry Royce}

30.12.14. E3/G301214 Contd.

(5) Turn off air cock to dis-connect pump with enclosed chamber.

(6) Re-operate petrol cock to dis-charge compressed fluids into induction pipe.

(7) Turn petrol cock into a position which dis-connects enclosed chamber from induction branch.

E.{Mr Elliott - Chief Engineer}
  
  


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