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).
And diagram concerning the Wraith bonnet side strips fouling the frame under the wings.
| Identifier | ExFiles\Box 108\1\ scan0016 | |
| Date | 26th July 1937 | |
| CHATEAUROUX. Rm{William Robotham - Chief Engineer}/IMW{Ivan M. Waller - Head of Chateauroux}/IG/JAB.26.7.37. To. Rm.{William Robotham - Chief Engineer} c.c. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies} c.c. Rm{William Robotham - Chief Engineer}/GWH.{George W. Hancock - Head Chateauroux} 26.G.VI.- WRAITH. Bonnet Side Strips. The bonnet side strips foul the frame under the wings. More clearance can be given locally without any detriment. Rm{William Robotham - Chief Engineer}/IMW.{Ivan M. Waller - Head of Chateauroux} FOUL OCCURS HERE. | ||