Rolls-Royce Archives
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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).
Suggested reply to a customer enquiry regarding the use of 'Miracle Oil'.

Identifier  ExFiles\Box 32\4\  Scan111
Date  1st September 1922 guessed
  
Reply as follows:-

"We have had no experience with Miracle Oil. We have had numerous pamphlets and offers of free samples to test, but we have not considered it worth our while making any tests. We do not see any reason why you should obtain any better results with your Rolls-Royce car if you use Miracle Oil. If your car is not behaving satisfactorily on the oils we recommend, we shall be very pleased to help you in every way".
  
  


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