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).
Confirming the return of three tested Watford EW6 magnetos to Central Stores.
| Identifier | ExFiles\Box 65\3\ scan0282 | |
| Date | 16th May 1928 | |
| X7791 To Central Stores. EFC/T16.5.28. We are handing you back herewith the three Watford EW6 magnetos which were loaned to us for test, Nos.100084, 107842, 107858. These have been tested O.K. and will not require again testing by Mr. Ellis. EFC. | ||