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 distribution board with a cut out and auto switch.
| Identifier | ExFiles\Box 59\1\ Scan193 | |
| Date | 21th November 1927 | |
| AUTO SWITCH, RES. COIL, SHUNT, CUT OUT, SERIES, TO & FROM SWITCHBOX, EARTH, AMMETER, 1, 2, 3, 4, 5, 6, 7, 8, B, C, C F+, A D-, D+, DISTRIBUTION BOARD, WITH, CUT OUT & AUTO SWITCH, DYNAMO, IGNITION, LAMPS, KLAXON & BODY LIGHTING, BATTERY POSITIVE, E.F.C., 21.11.27 | ||