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 from Silvertown Lubricants Limited detailing the negative effects of mineral oil on rubber jacking systems.
| Identifier | ExFiles\Box 139\2\ scan0402 | |
| Date | 23th November 1935 guessed | |
| -2- The dangerous constituent of the mixture is the mineral oil since it attacks any form of rubber and it thus has disastrous results to the jacking system. We trust the foregoing additional information may be of interest and service. As before, it is given confidentially for your private use, and we disclaim any responsibility for the result of any action which you may take based upon it. Yours faithfully, SILVERTOWN LUBRICANTS LIMITED | ||