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).
Recommendation for Castrol XL oil over Adcol lubricating oil for a 20 HP Chassis.
| Identifier | ExFiles\Box 32\4\ Scan262 | |
| Date | 23th May 1927 | |
| BP. To Sg.{Arthur F. Sidgreaves - MD} from Hs.{Lord Ernest Hives - Chair} X1578 Hsl/LG23.5.27. X967 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} | ||