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).
Pricing and discount information for Wakefields Castrol Racing Oil.
| Identifier | ExFiles\Box 32\3\ Scan001 | |
| Date | 8th December 1911 | |
| X.4T X1583 WAKEFIELDS CASTROL RACING OIL. Price 6/6 per gallon. Special discount of 50% off allowed to us. See letter from makers 8.12.11. | ||