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).
Viscosity curve for Mobiloil 'D', plotting temperature against efflux time.
| Identifier | ExFiles\Box 145\1\ scan0069 | |
| Date | 11th December 1933 | |
| VISCOSITY CURVE - MOBILOIL "D" LABORATORY 11.12.33. TEMPERATURE IN °C. TIME OF EFFLUX IN SECONDS FROM REDWOOD No I VISCOMETER. | ||