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).
Design position report detailing the status of various components for the Spectre and Wraith chassis.
| Identifier | ExFiles\Box 30\3\ Scan032 | |
| Date | 17th December 1934 guessed | |
| - 4 - ITEM. DESIGN POSITION. =================================================================== SPECTRECodename for Phantom III - CONTINUED:-- Modified intermediate lever to suit semi-servo braking system. In hand. Alternative schemes for roller bearing - Marles type steering box. Completed. Modification to clutch tail bearing - single plate clutch. Completed. Larger engine oil pressure pump. In hand. Engine controls to suit Marles steering box. In hand. Steel push rod. Completed. Revised chassis piping and wiring. Completed. Lamps on dashboard. In hand. WRAITH CHASSIS. Rear Wheel and Brake Drum: In hand. Cylinder head with auto adjusting tappets and valves. Completed. Front wheel and brake drum. In hand. Slipper wheel. Completed. | ||