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).
Record concerning the front engine support brackets for the Wraith III and B.III models.
| Identifier | ExFiles\Box 99\1\ scan0136 | |
| Date | 3rd November 1938 | |
| 422 Rm.{William Robotham - Chief Engineer} Da.{Bernard Day - Chassis Design}10/G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 3.11.38. Wraith III + B.III Front Engine Support Brackets in file 622. | ||