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).
Diagram showing a cross-section and external view of a Claudel-Hobson air-driven petrol pump.
| Identifier | ExFiles\Box 61\3\ scan0286 | |
| Date | 30th October 1931 | |
| [ "CLAUDEL-HOPSON", "AIR DRIVEN PETROL PUMP", "FROM AIR PRESSURE", "FIXED FULCRUM", "CONNECTING AIR LINE", "DELIVERY VALVE", "SUCTION VALVE", "TO ATMOSPHERE", "30 OCT 31", "DERBY" ], | ||