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 C.A.V. & Ediswan gas and search electrical system.
| Identifier | ExFiles\Box 51\2\ Scan078 | |
| Date | 1st January 1929 guessed | |
| Ammeter A CAV SWITCHBOX (CLOSED, AS SEEN) CHARGE HRT BAT D+ D- F Dynamo + - Sh. Blast Cut-out Switch Motor + - Electrical Connections C.A.V. & Ediswan Gas & Search System Battery CAV Ediswan + - C.A.V. 7/36 11/36 70/36 18/36 4/36 30/25 84/36 | ||