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 modification and allocation of Watford Aero Magnetos.
| Identifier | ExFiles\Box 43\4\ Scan173 | |
| Date | 6th July 1929 | |
| X4021 Mr. Jacques A.I.D. from EFC. c. Rg.{Mr Rowledge} EFC2/AD6.7.29. X.4021. WATFORD AERO MAGNETOS. I S 12. We have now in our possession four of the original eight Watford magnetos Nos. 83119/20 and 83132/3 (last referred to in our note EFC2/T16.5.29 addressed to A.I.D.) all of which have been modified to 30° range. We are awaiting your instructions as to what engines these magnetos should be fitted. These magnetos are A.M. property. We should also like an answer to our query as to what should be done with the remaining four magnetos. Nos. 83134/5/6/7 which are still of 15° range and still with us. These also being A.M. property. EFC. Handwritten notes: Right margin: 4 30°, 4 15°, 2 30° Bottom left: 2 R-R prog | ||