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).
Necessity of using Ethyl fuel based on vehicle mileage below 10,000 miles.
| Identifier | ExFiles\Box 150\1\ scan0134 | |
| Date | 6th July 1936 | |
| X1282 S/W To Rm.{William Robotham - Chief Engineer} from Sg.{Arthur F. Sidgreaves - MD} re Use of Ethyl. Sg{Arthur F. Sidgreaves - MD}5/E6.7.36 Thanks for Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}14/KW.3.7.36 and for letting me have sight of the December 1935 Depot Sheet about Ethyl. On reading this sheet it seems that a Depot would be quite in order in telling a customer like Professor Dodds that he ought not to have to use Ethyl as this Sheet indicates that it should not be necessary under 10,000 miles. However, I shall be seeing him shortly and will put the matter right and I am glad to see you are now issuing later information to them. Sg.{Arthur F. Sidgreaves - MD} | ||