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).
Schematic of a motor-driven fluid delivery system with a clutch and reduction box.
| Identifier | ExFiles\Box 115\3\ scan0172 | |
| Date | 14th January 1938 guessed | |
| GAUGE 30lbs AIR PRESSURE GLASS TUBE GLASS TUBE GLASS TUBE 1 GALLON TAP TO MAIN FEED PIPE ON ENGINE BASE DRIVE REDUCTION BOX MOTOR CLUTCH | ||