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).
Note on a new lubrication method for engine bearings and the results after a 250-mile test.
| Identifier | ExFiles\Box 16\1\ Scan016 | |
| Date | 17th March 1910 guessed | |
| New method of lubrication also tested on this engine. Ducts to left side of crank-case feeding main bearings & 2 main middle bearings. Pumps feeds small bearings. After 250 mile run brasses found to be in good condition. | ||