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).
Status update on design items for the Wraith Chassis, page 6.
| Identifier | ExFiles\Box 30\3\ Scan085 | |
| Date | 4th February 1935 guessed | |
| (6) ITEM. DESIGN POSITION. WRAITH CHASSIS - CONTINUED:- Propeller shaft and universal joints. In hand. Modified centre axle casing and gears. Completed. | ||