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 C. C. Wakefield & Co. Ltd. regarding the use of copper pipes and castor oil as a lubricant.
| Identifier | ExFiles\Box 27\1\ Scan189 | |
| Date | 30th April 1929 | |
| 2 No..... C. C. WAKEFIELD & CO. Ltd. (cont.). 30th April, 1929 Continued. metallic oxidising catalyst used for oil pipes; for this reason, copper pipes should be used as little as possible if aerated and/or wet oil (of whatever nature) is to pass through them. Castrol "R" will be found in practically every place where a Rolls-Royce car can conveniently travel. Medicinal castor oil may be made from any castor bean wherever grown, irrespective of its value as a lubricant, consequently its whiteness or compliance with any Pharmacopea will not guarantee its value as a lubricant. We are inclined to agree with you in the policy of not recommending it for this purpose. Yours faithfully, C. C. WAKEFIELD & Co. LIMITED. E.{Mr Elliott - Chief Engineer} A.{Mr Adams} Evans CHIEF CHEMIST | ||