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).
List of magnetos fitted to various experimental cars.
| Identifier | ExFiles\Box 4\5\ 05-page091 | |
| Date | 22th October 1920 | |
| R.R.B. 24A. 200/T-C.S.24.120. 12-9-19(R)-C 1629 X.430 EPE. 22.10.20. F.C.100 X.430. MAGNETOS ON EXPL. CARS. X. 2375. X.3910 (crossed out) 7 CA Watford E.S. 49-GB. * E.O.6. 1 EX * E.O.6 2 EX * E.6 3 EX none (dismantled) 4 EX American Bosch Z.R.6. 6 EX. Watford E.6. L.F. | ||