List of specifications and a sketch of a brake lever mechanism for an Essex Car.
| Identifier | Morton\M4.1\ img013 | |
| Date | 4th January 1921 | |
| Contd. Essex Car. Rear Springs - semi-elliptic - slung under axle. Foot brake compensated. Hand non-compensated Propeller shaft uncovered. Torque taken by road springs. Speedometer drive taken from gearbox (positive) Battery carried inside frame. Dynamo drive coupling by piece of hose pipe. Four blade fan driven by flat belt. Thermo-syphon cooling. Hand controlled shutter at front of radiator. Oil level indicator in glass tube. Sketch showing bottom portion of brake lever and quadrant on side of gearbox. Steering wheel 17" dia. Carburetter bolted direct to cylinder casting. | ||
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).