The Spectre steering column, referencing scheme N. Sch.4281 for the Marles type steering.
| Identifier | ExFiles\Box 95\1\ scan0148 | |
| Date | 4th December 1934 | |
| x4694 350 P Hdy {William Hardy} To HP. from Da. {Bernard Day - Chassis Design} Da. {Bernard Day - Chassis Design} 5/HP.4.12.34. C. [redacted], Hs. {Lord Ernest Hives - Chair} Hdy. {William Hardy} LHS. {Lord Herbert Scott - Chair} Spectre(Codename for Phantom III) - Steering Column. Herewith is N. Sch.4281, top of steering column, wheel and controls, to suit the Marles type steering. The wheel and controls are as already existing. Att: N. Sch.4281. Da. {Bernard Day - Chassis Design} | ||
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).