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 concluding test results indicating higher loads can be carried with less wear when sulphur is present.
| Identifier | ExFiles\Box 145\1\ scan0240 | |
| Date | 6th January 1938 guessed | |
| Y56 27193 No. .2.V.O.Co., Ltd., to You will see, therefore, that while these results are not directly comparable with practice, there is a very distinct indication that higher loads are carried with less wear, where sulphur is present in suitable form. Trusting that these results give you the information required, Yours sincerely, [Signature] OTJ ND | ||