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).
Recommending Castrol XL oil for a 20 HP Chassis, model GRJ-29.
| Identifier | ExFiles\Box 144\1\ scan0163 | |
| Date | 23th May 1927 | |
| BP. To Sg.{Arthur F. Sidgreaves - MD} from Hs.{Lord Ernest Hives - Chair} x967 Hsl/LG23.5.27. (1588) 20 HP. Chassis No. GRJ-29. With reference to Sg{Arthur F. Sidgreaves - MD}/Cdr{W. J. Chandler - Chief Clerk}9/Hsl.5.27. Castrol XL. is recommended by us as an alternative to Prices oil. Although we know nothing against Adcol lubricating oil, we should recommend this customer uses Castrol XL. with which we have had considerable experience. Hs.{Lord Ernest Hives - Chair} | ||