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).
Order form from The Centaur & Works Supply Co. for Minerva Oil.
| Identifier | ExFiles\Box 32\4\ Scan139 | |
| Date | 31th August 1923 guessed | |
| X1588 MINERVA OIL ORDER FORM The Centaur & Works Supply Co. ENGINEERS & MERCHANTS, NOTTINGHAM. "MINERVA OIL" | ||