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).
Index of winding diagrams for various dynamos and motors.
| Identifier | ExFiles\Box 68\4\ scan0243 | |
| Date | 27th May 1929 | |
| X.1640 27.5.29. X.1640. WINDING DIAGRAMS. Dynamos :- 20 HP. 29 slot & coil. (circular) D50026 20 HP. 29 slot & 57 coil (rectangular) D51115 Std. 20 HP. 19 slot & 57 coil (circular) D51372 20 HP. 28 slot & 56 coil (rectangular) D51491 EAC. 29 coil & slot (circular) D70355 EAC. 29 slot & 57 coil (rectangular) D71236 Std. 40/50 28 slot and 56 coil (rectangular) D71348 S.S. 28 slot and 56 coil (rectangular) D71998 --- Motors :- R.R. 40/50. 45 slot & coil (circular) D1949 R.R. 20 HP. 29 slot & coil (circular) D50219 Std. R.R. EAC. 41 slot and coil (circular) D70304 R.R. S.S. 37 " " " D71858 | ||