The turning circles for Spectre I and Spectre II cars.
| Identifier | ExFiles\Box 95\1\ scan0217 | |
| Date | 20th September 1935 | |
| x350. To E. {Mr Elliott - Chief Engineer} from Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 5/KW.20.9.35. Spectre(Codename for Phantom III) Turning Circles. E.1/HP.16.9.35. Herewith are the turning circles of the two Spectre(Codename for Phantom III) cars we have at present running :- Spectre(Codename for Phantom III) I. R.H. 48' 4". L.H. 48' 4". Spectre(Codename for Phantom III) II. R.H. 53' 2". L.H. 53'. The figure for Spectre(Codename for Phantom III) II was taken before the yoke nuts were cleared. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).