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 viscosities of various oils at different temperatures.
| Identifier | ExFiles\Box 28\1\ Scan124 | |
| Date | 27th March 1928 guessed | |
| COMPARISON OF VISCOSITIES FOR VARIOUS OILS. TEMPERATURE °C TIME OF EFFLUX - SECS: Y-Axis Values: 0, 10, 20, 30, 40, 50, 60, 70, 80 X-Axis Values: 0, 250, 500, 750, 1000, 1250, 1500, 1750, 2000 Curve Labels: CASTROL R.{Sir Henry Royce} MOTORINE C. MOBILOIL B COMPRESSOR OIL LARD OIL WAKEFIELD'S SHOCK ABSORBER OIL. LOVE JOY OIL | ||