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 blueprint for the 'SS' Chassis.
| Identifier | ExFiles\Box 168b\2\ img170 | |
| Date | 18th April 1929 | |
| c. EPC. X.7560 BY/HB{C. E. Harcombe}2/H.18.4.29. "SS{S. Smith}" CHASSIS. WIRING AND FITTINGS SEC:7360. Kindly receive one Blue Print of:- F.80679 Wiring Diagram (Earth Return System). for your reference. We also attach to EPC's copy one print for his approval. BY/HB{C. E. Harcombe}2. | ||