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 electrical circuits and their corresponding cable sizes for all chassis types, with handwritten amendments.
| Identifier | ExFiles\Box 168\1\ img236 | |
| Date | 27th November 1935 | |
| x6117 27th.November,1935. Circuits and their respective cable sizes. - All chassis - Main Starter Circuit. 84/25s. Main Switch to Switchbox, Main Supply. 90/36s. Push Button to Teazer Supply. 90/36s. Push Button to Main Switch. -, 40/36 90/36s. Main Switch to Armature Operated Switch. 40/36 90/36s. Dynamo Armature Circuit. 90/36s. Dynamo Field Circuit. 23/36s. Ignition Low Tension Circuit. 14/36 Petrol Gauge and Petrol Pump Feeds. 23/36s. Ignition Warning Light. 14/36s. Switchbox to Distn.Board, Headlamp Feed. 90/36s. Distribution Board to Headlamps, respectively. 40/36s. Switchbox to Distn.Board, Stop and Tail Lamp Feed. 40/36s. Switchbox to Distn.Board, Stop and Tail Lamps, } 23/36s. respectively. 40/36 Instrument Board Lamps Feed. 23/36s. Stop Lamp Feed. 40/36 Body Light Feed. 23/36s. Distn.Board to Wind Tone Horns Relay. 90/36s. Horn Relay to Horns respectively. 40/36s. Horn Relay to Push Button. 23/36s. Foot Switch Circuit. 90/36 | ||