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).
Wiring diagram for a L.H. Silver Phantom regarding the positive earth to battery.
| Identifier | ExFiles\Box 118\1\ scan0275 | |
| Date | 14th May 1940 | |
| 1022 Rm{William Robotham - Chief Engineer}/HH. from Ev.{Ivan Evernden - coachwork} c. to Rm.{William Robotham - Chief Engineer} c. to Rm{William Robotham - Chief Engineer}/RC.{R. Childs} Ev.{Ivan Evernden - coachwork}6/JH.14.5.40. re Ripplet 2.R.2. Positive Earth to Battery. Will you please make a wiring diagram for this car on the line instructed for L.H. Silver Phantom. Ev.{Ivan Evernden - coachwork} | ||