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).
Return of Watford Magnetos with Continuous Cam Rings, machine numbers 100096/7.
| Identifier | ExFiles\Box 65\3\ scan0285 | |
| Date | 22th May 1928 | |
| EFC. X7791 Mx{John H Maddocks - Chief Proving Officer}/McM8/T22.5.28. EW.6. Watford Magnetos with Continuous Cam Rings With reference to EFC2/T21.5.28, as requested in your memo, Machines Nos.100096/7 are returned to you herewith. | ||