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).
Sketch of the rear gearbox support for the Phantom III, with a note on the rubber mounting.
| Identifier | ExFiles\Box 91\3\ scan0127 | |
| Date | 19th October 1935 guessed | |
| 983183 6 7 this rubber mounting too gives way REAR GEAR BOX SUPPORT PHANTOM III | ||