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).
Further tests for ensuring lubrication of the whole piston skirt.
| Identifier | ExFiles\Box 14\3\ Scan051 | |
| Date | 10th January 1930 guessed | |
| -2- We are making further tests with a view to ensuring that the extra oil works round the piston and so lubricates the whole skirt. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||