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).
Hand-drawn wiring diagram for a Lucas automotive electrical system.
| Identifier | ExFiles\Box 51\2\ Scan077 | |
| Date | 1st January 1948 | |
| [ "LUCAS.", "SIDE & TAIL", "HEADLAMPS", "DIPPER", "HORN", "R {Sir Henry Royce} /S", "J.B.L.", "+ L/S", "S/48" ], | ||