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 | ||