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).
Requesting the modification of an experimental 20 HP Dynamo N.
| Identifier | ExFiles\Box 62\3\ scan0017 | |
| Date | 3rd January 1930 | |
| X5661. Sft{Mr Swift}/Mr Brock. from EFC. EFC2/ADL 3.1.30. X.5660. EXPERIMENTAL 20 HP. DYNAMO N. Herewith we hand to you above machine upon which will you please perform the operation of changing the pole pieces to Order No.54733 as arranged in conversation. EFC. | ||