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).
Notice regarding the receipt of 20 SWG field windings for a 20 HP dynamo from the experimental shop.
| Identifier | ExFiles\Box 62\3\ scan0036 | |
| Date | 6th March 1930 | |
| X6007. 6.3.30. X.6007. 20 SWG. FIELD WINDING FOR 20 HP. DYNAMO. We have today received from experimental shop 20 HP. dynamo P5.PX. arranged with special field windings as above. EFC. | ||