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\ Scan262 | |
| Date | 1st February 1928 | |
| TO & FROM SWITCHBOX AMMETER AUTO SWITCH RES. COIL SHUNT CUT OUT SERIES SHUNT EARTH 1 2 3 4 5 6 7 8 B. C. A D- D+ C F+ DISTRIBUTION BOARD WITH CUT OUT & AUTO SWITCH DYNAMO C F+ A D- B D+ IGNITION LAMPS KLAXON & BODY LIGHTING BATTERY POSITIVE E.F.C FEB. '28 | ||