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).
Query regarding the suitability and recommended grade of Essolube oil for Bentley cars.
| Identifier | ExFiles\Box 145\3\ scan0024 | |
| Date | 18th January 1935 | |
| Hs.{Lord Ernest Hives - Chair} Hd{Mr Hayward/Mr Huddy}/SB{Mr Bull/Mr Bannister}10/HR.18.1.35. re ESSOLUBE OIL. ---------------- We have one or two Bentley Owners who use the above oil but it is not on the list of recommended oils. Will you please say whether there is any objection to the use of this oil, and if it is all right, what grade should be used. Hd{Mr Hayward/Mr Huddy}/SBS | ||