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).
List of required cables for the revised position of the junction box on a Phantom III.
| Identifier | ExFiles\Box 168\1\ img279 | |
| Date | 1st January 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. Rm{William Robotham - Chief Engineer}/Wst. rl617. BY/RD.3/B.1.1.37. "PHANTOM III" WIRING AND FITTINGS : R.R.Sch.1015. Revised Position of Junction Box. In connection with the revised position of the junction box which has been issued to you, BY/RD.1/B.18.12.36., the following cables will be required :- D.75869 - Junction Box to Side Lamp. 2 off. D.75870 - Distribution Board No.4. to Junction Box. 1 off. D.75871 - Distribution Board No.5. to Junction Box. 2 off. D.75863 - Foot Switch to Junction Box. 1 off. D.75864 - Horn Relay to Junction Box. 1 off. D.75865 - Horn Relay to Junction Box. 1 off. D.75866 - Junction Box to Horn. 2 off. D.75867 - Junction Box to Headlamp Dipper. 2 off. D.75868 - Junction Box to Headlamp Filament. 2 off. Please put in hand as required. BY/RD. | ||