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).
Material modification for the Wraith Servo system.
| Identifier | ExFiles\Box 108\2\ scan0215 | |
| Date | 3rd February 1939 | |
| 600 RHC.{R. H. Coverley - Production Engineer} L.A. Hd.{Mr Hayward/Mr Huddy} Rm.{William Robotham - Chief Engineer} Mx.{John H Maddocks - Chief Proving Officer} APM BY.12/N.3.2.39. WRAITH - MODIFICATIONS. In addition to the modifications referred to in our memo BY.1/N.4.1.39, will you please arrange for R.A.D.13 material to be fitted to the Servo in place of Halo on all cars fitted with this material. R.A.D.13 has been instructed for 'C' series, and an initial supply was ordered, therefore the new material should be available. BY.{R.W. Bailey - Chief Engineer} | ||