Diagram and explanation of an S.U. petrol pump failure due to a broken fibre disc.
| Identifier | ExFiles\Box 31\5\ Scan042 | |
| Date | 6th April 1933 guessed | |
| S.U. PETROL PUMP. The first pump failed through the fibre disc breaking and the picking up of the spindle of the pump at the point marked. This is where it comes in contact at the end of the guide. GWH. {George W. Hancock - Head Chateauroux} | ||
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).