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).
Two hand-drawn wiring diagrams for a vehicle dynamo charging system.
| Identifier | ExFiles\Box 61\2\ scan0367 | |
| Date | 25th August 1920 | |
| Fig. 1 Dynamo Cut-out Field fuse Switch Main fuse Fig. 2 Cut-out Field fuse Main fuse Switch E + C 25 8 20 R.{Sir Henry Royce} R.{Sir Henry Royce} 285A (100 T) (S) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 643. 19-2-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2618 | ||