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).
Typed memo from G.W.H. to Hs regarding oil recommendations and testing procedures for an engine.
| Identifier | ExFiles\Box 11\3\ 03-page042 | |
| Date | 19th April 1930 | |
| X7940 To Hs{Lord Ernest Hives - Chair} From G.W.H. Hôtel de France Chateauroux. 19/4/30 I have arrived here to day and received your telegram: OIL RECOMMENDED FOR ENGINE IF TRIPLE SHELL ROBOTHAM. Tests have been carried out for acceleration and petrol consumption after turning up carburetter etc. We shall after fitting ballast and other necessities for testing proceed with the mileage G.W.H. | ||