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).
Drawing and note explaining the lubrication of a connecting rod pin.
| Identifier | ExFiles\Box 16\1\ Scan032 | |
| Date | 4th December 1912 guessed | |
| PIPE. Looking from front of engine these holes will be on the side of the pin which has least pressure from the angle of connecting rod, the nearer the extremity of the bearing the less oil will lubricate, and vice versa. F.H.R. | ||