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).
The special jacking system for Trials cars.
| Identifier | ExFiles\Box 139\1\ scan0387 | |
| Date | 16th April 1937 | |
| 1166 W/LH.{Mr Haworth} RC.{R. Childs} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gryll/R.16.4.37. Have you any news yet of the special jacking on your Trials cars? Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||