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 Frank B. Halford to W. A. Robotham enquiring about the progress of tests on hydraulic valve rockers.
| Identifier | ExFiles\Box 88\4\ scan0119 | |
| Date | 10th October 1934 | |
| FRANK B. HALFORD, F.R.Ae.S. DESIGNER OF AERO AND AUTOMOBILE ENGINES. Telephone Nos.: Gerrard 1217. Gerrard 1218. My Ref. FBH/EM Your Ref. 8 & 9 GOLDEN SQUARE, LONDON, W.1. 10th October 1934. W. A.{Mr Adams} Robotham Esq., c/o Messrs. Rolls-Royce Ltd., Derby. My dear Robotham, I shall be awfully obliged if you would let me know how your tests on the hydraulic valve rockers are getting on, that is if you have had time yet to try out some of the proposed modifications? Kindest regards, Yours sincerely, p.p. Frank B. Halford. EM | ||