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 graph for 'Motorine C' oil.
| Identifier | ExFiles\Box 145\1\ scan0065 | |
| Date | 11th February 1933 | |
| LABORATORY 11.2.33 VISCOSITY CURVE. - MOTORINE "C" TEMPERATURE IN °C. TIME OF EFFLUX IN SECONDS FROM REDWOOD N° I VISCOMETER. | ||