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).
Stating it is unnecessary to experiment with valve spring material on customer cars.
| Identifier | ExFiles\Box 66a\2\ scan0060 | |
| Date | 29th October 1927 | |
| To Hm.{Capt. W. Hallam - Head Repairs} from Hs.{Lord Ernest Hives - Chair} X8060 Hsl/LG29.10.27. AGREEMENT FORM. NO. HM.{Capt. W. Hallam - Head Repairs}58. With reference to the attached. We do not understand the object of this. We consider that sufficient experience is being obtained on valve spring material, which makes it unnecessary to experiment with customers cars. | ||