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 showing the approximate viscosity of an oil from a 'Lovejoy' shock absorber against temperature.
| Identifier | ExFiles\Box 28\1\ Scan097 | |
| Date | 14th May 1926 | |
| Graph showing approximate viscosity of an oil taken from a 'Lovejoy' shock absorber 14.5.26. Temperature in °C Time of efflux in secs. | ||