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).
Letter to the Vacuum Oil Company clarifying that a car's oil filter came from a vehicle that always used 'Ethyl' fuel.
| Identifier | ExFiles\Box 145\1\ scan0194 | |
| Date | 16th April 1937 | |
| 1229. Rm{William Robotham - Chief Engineer}/Gry{Shadwell Grylls}2/R.{Sir Henry Royce} 16th April, 1937. O.T. Jones, Esq., Vacuum Oil Company Limited, Caxton House, Westminster, S.W.1. Dear Mr. Jones, Many thanks for your letter of the 15th. The car from which we sent you the oil filter has always run on "Ethyl" fuel. Yours sincerely, | ||