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 showing the connections of a Disco Vibrator Regulator and Cut-out.
| Identifier | ExFiles\Box 31\1\ Scan094 | |
| Date | 12th October 1920 | |
| X. 1402. A D B C Connections of Disco Vibrator Regulator and Cut-out. E.F.C. 12/10/20 | ||