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).
Test results table for chassis magnetos, comparing volt-ampere capacity and figure of merit.
| Identifier | ExFiles\Box 4\5\ 05-page339 | |
| Date | 14th April 1928 | |
| Chassis magnetos. MAGNETO TESTS - VOLT AMPERE CAPACITY AND FIGURE OF MERIT. Magneto., Type., No., Volt-ampere capacity., Figure of merit. Lucas, EBA6, 156, 35.3, 2.88 ", ER6, 53, 36.25, 2.73 ", ", 54, 41.30, 3.03 Watford, Ro{C. C. Rose - Export Manager}1, 93284, 32.5, 4.18 ", EW6, 99171, 32.6, 2.53 ", ", 100081, 33.9, 2.63 R Bosch, FU6R, 31859, 33.8, 3.02 14.4.28. | ||