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).
Page 2 of a letter from Vacuum Oil Company Ltd. listing the benefits of their new engine oils.
| Identifier | ExFiles\Box 145\1\ scan0135 | |
| Date | 3rd January 1935 guessed | |
| Y56-19013 No. 2. V.O.Co., Ltd., to Messrs. Rolls Royce Ltd. (a) The ability to withstand high oil temperatures. (b) The elimination of sludge. (c) Reduced carbon deposits (d) Removal of gummy deposits which may promote piston ring and valve sticking in engines operating at high temperatures. (e) Improved oil consumption. It is our belief that these new oils represent a distinct advance over any lubricants now available and we are sure you would wish to have first-hand exper-ience of these grades. We welcome the opportunity of bringing this information to your notice, and trust that we shall have the pleasure of hearing from you at an early date, with regard to the supply of oils suggested. Yours faithfully, VACUUM OIL COMPANY LIMITED. O.T. Jones Chief Engineer. EET/AH. encl. | ||