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 part modifications and their corresponding vehicle ranges.
| Identifier | ExFiles\Box 133\4\ scan0160 | |
| Date | 30th April 1940 | |
| -3- Ev.{Ivan Evernden - coachwork}1/JH.30.4.40. PL.202 Fan. Rippletto. PL.204 Mod. throttle control. L.H. Senior Range.E.80. PL.205 Stiffeners in frame. Rippletto. PL.206 Engine controls to suit new Senior Range. clutch operation. ......... | ||