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).
Note on steering for the Wraith and B.II models, with a cross-reference to file 1300.
| Identifier | ExFiles\Box 9\7\ 07-page189 | |
| Date | 12th May 1934 | |
| 650 Rm.{William Robotham - Chief Engineer} By.{R.W. Bailey - Chief Engineer} 3/9. 12.5.34. Steering. Wraith + B.II see file 1300. | ||