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 to S.D. Heron of Ethyl Gasoline Corporation regarding valves.
| Identifier | ExFiles\Box 174\2\ img305 | |
| Date | 2nd January 1938 | |
| Rm{William Robotham - Chief Engineer}13/R.{Sir Henry Royce} 2nd January, 1938. S.D. Heron, Esq., Ethyl Gasoline Corporation, 723 East Milwaukee Avenue, DETROIT, MICHIGAN, U.S.A. Dear Heron, Many thanks for your letter on valves. If we get any further information we will pass it on to you. Yours sincerely, | ||