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).
Diagrammatic wiring views of dynamos for 20 HP and 40/50 HP engines from the commutator end.
| Identifier | ExFiles\Box 165\6\ img167 | |
| Date | 2nd March 1928 | |
| R.R. DYNAMOS., X. 5669, BONNET, ENGINE, 20 H.P., +VE ROTATION, +, 7+, -, A, B, C, N, S, 7-, DIAGRAMMATIC VIEWS, FROM, COMMUTATOR END., ENGINE, 40/50 H.P, BONNET, +VE ROTATION, 2.3.28 | ||