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).
Letter from General Motors Corporation requesting design details for a ball type valve.

Identifier  ExFiles\Box 17\6\  Scan247
Date  11th June 1934
  
GENERAL MOTORS CORPORATION
DETROIT, MICHIGAN
June 11, 1934

Mr. W. A.{Mr Adams} Robotham
Rolls-Royce Ltd.
Derby
England

Dear Mr. Robotham:

Thank you for your letter of May 31. I was very much interested in your statement that you have succeeded in making the ball type valve work well in the hydraulic lash adjuster. I do not know whether I have any right to ask it but I would be very glad to know what design details enabled the ball valve to work, if you should feel free to send me this information.

Sincerely yours

Geo. E.{Mr Elliott - Chief Engineer} A.{Mr Adams} Hallett
Head, Power Plant Section
Research Division.

GEAH:mks
  
  


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