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 connections for an EAC distribution board and cutout test.
| Identifier | ExFiles\Box 65\2\ scan0074 | |
| Date | 23th February 1925 guessed | |
| CONNECTIONS FOR R.R. EAC. DISTRIBUTION BOARD & CUTOUT TEST. + D+ F+ D- V B A | ||