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 wire lengths required per chassis for the 40/50 P. 2. model.
| Identifier | ExFiles\Box 168b\2\ img255 | |
| Date | 26th May 1932 | |
| X6082 26.5.32. 40/50 P. 2. WIRING. LENGTHS OF WIRE REQUIRED PER CHASSIS. 103' 5" of 40/36 wire. 82' 11" of 90/36 wire. 13' 9" of 23/36 wire. 18' 7" of 84/25 wire. | ||