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).
Confirming no objection to using National Benzole Mixture fuel in 40/50 HP and 20 HP cars.
| Identifier | ExFiles\Box 1\2\ B001_X 53-page73 | |
| Date | 28th April 1927 | |
| To BP. from Hs.{Lord Ernest Hives - Chair} Y /53 Hsl/LG28.4.27. With reference to the attached letter from The National Benzole Co., dated 25th.inst. We have no objection to National Benzole Mixture being used on either 40/50 HP. or 20 HP. cars. No alterations are necessary to the carburetters to enable this fuel to be used. Hs.{Lord Ernest Hives - Chair} | ||