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 the Scintilla dynamo regulator system.
| Identifier | ExFiles\Box 50\1\ Scan224 | |
| Date | 23th January 1923 | |
| [ "SCINTILLA DYNAMO REGULATOR SYSTEM", "REGULATOR", "AUX RELAY", "CUT-OUT", "5", "4", "3", "X.4290.", "E.T.C.", "23/1/23" ], | ||