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 comparison graph for 'Prices Motorine C' and 'Lovejoy' oils.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan156 | |
| Date | 20th May 1926 | |
| VISCOSITY COMPARISON PRICES MOTORINE C AND LOVEJOY OIL. Y-Axis: TEMPERATURE C X-Axis: TIME OF EFFLUX SECS. Graph Labels: PRICES MOTORINE C LOVEJOY OIL LIMITS OF WORKING TEMP'S FOR BRITISH ISLES Stamp Text: ROYCE, LIMITED INT ROOM 20 MAY 1926 DERBY. | ||