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).
The semi-floating rear axle for the B.III, B.60 and Wraith 80 models.
| Identifier | ExFiles\Box 109\1\ scan0040 | |
| Date | 15th September 1938 | |
| 666 To Rm{William Robotham - Chief Engineer} from Ev.{Ivan Evernden - coachwork} Da{Bernard Day - Chassis Design}/Ev.{Ivan Evernden - coachwork} 8/N. 15.9.38 Re Semi Floating Rear axle B.III, B.60 and Wraith 80. in File 1015 | ||