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).
Hand-drawn wiring diagram for a dynamo, cut-out unit, meters and battery.
| Identifier | ExFiles\Box 48\3\ Scan184 | |
| Date | 11th August 1920 | |
| Page: 2 On cut-out unit: Cut-out, D-, B-, D+, 1, 2, 3 On dynamo: Dynamo, +, - On meters: V, B, A Bottom right corner: R.R. 55A. 100 Bks. (S.I.) 1M. 11-8-20 G.S.L. 2801 Watermark (faint): MADE AT CHORLEY, DICKINSON, 1804 | ||