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 modifications and required designs for various vehicle components.
| Identifier | ExFiles\Box 65a\3\ scan0257 | |
| Date | 26th September 1930 | |
| (2) DA{Bernard Day - Chassis Design}/EV{Ivan Evernden - coachwork}4/M26.9.30 cont. (27) Max: restriction jet to starter carb: LeC. 2731. (28) Improved starter main switch LeC. 2804. (29) Taper valve springs LeC 2697. (30) Reverse lamp switch. (31) Stop lamp switch. (Items marked * are those for which designs are needed.) DA{Bernard Day - Chassis Design}/EV.{Ivan Evernden - coachwork} | ||