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).
Graph comparing the viscosity of Price's Motorine 'C' and Lovejoy Oil against temperature.
| Identifier | ExFiles\Box 55\3\ Scan186 | |
| Date | 28th May 1926 guessed | |
| VISCOSITY COMPARISON PRICE'S MOTORINE 'C' AND LOVEJOY OIL. TEMPERATURE IN °C TIME OF EFFLUX, SECS. LOVEJOY OIL LIMITS OF WORKING TEMPr FOR BRITISH ISLES PRICE'S MOTORINE 'C' | ||