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 Burmah Oil Co. requesting particulars of a lubricating oil for aircraft engines containing castor oil.
| Identifier | ExFiles\Box 76\4\ scan0204 | |
| Date | 23th July 1920 | |
| X.1434 Hsl/LG23.7.20. E C RECEIVED JUL 26 1920 gFC 23rd. July 1920. The Burmah Oil Co., 32 Great Winchester Street, London E.C. Dear Sirs, X.1434 For the attention of Mr. Watson. We have had a communication from Messrs. Handley Page Co.Ltd., in which they tell us that your Company have been experimenting with lubricating Oils suitable for use on Aircraft Engines and that you have evolved a satisfactory oil in which a percentage of Castor Oil is used. We should be very pleased to have the following particulars of this oil:- 1. Percentage of castor oil. 2. Percentage of Mineral Oil. 3. Viscosity at 50°C, 75°C and 100°C. 4. Flash Point. 5. Setting Point. 6. Percentage of Acid. Yours faithfully, R.R. 288A (100 T) (S.G.) 648. 19-2-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2618 | ||