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 of the number of Phantom III chassis fitted with Mk.V matrices.
| Identifier | ExFiles\Box 94\3\ scan0268 | |
| Date | 7th December 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/Std.9/AP.7.12.37. According to the list supplied to the Expl.Dept. by the Works and Test Dept., the number of Ph.III. chassis which left the Works with Mk.V. matrices fitted is 171 (A.{Mr Adams} series) Rm{William Robotham - Chief Engineer}/Std. | ||