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).
The return of two noisy Watford EO.6 type magnetos following testing and a phone conversation.
| Identifier | ExFiles\Box 70\4\ scan0229 | |
| Date | 27th April 1927 | |
| EFC. X8797 Mx{John H Maddocks - Chief Proving Officer}/McM12/T27.4.27 re Watford EO.6. type Magnetoswith enclosed armature tunnel. Further to our Mx{John H Maddocks - Chief Proving Officer}/McM8/T26.4.27, and confirming Mx{John H Maddocks - Chief Proving Officer}'s 'phone conversation with you this afternoon, another magneto has developed exceptionally noisy on test. This magneto No.96128 is returned to you herewith. We are also returning Magneto No.96130, the one referred to in our previous report. Mx{John H Maddocks - Chief Proving Officer}/McM | ||