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 experimental parts fitted to the 6.EX car.
| Identifier | ExFiles\Box 42\4\ Scan081 | |
| Date | 28th June 1920 | |
| X 3889 Extract from HS{Lord Ernest Hives - Chair}6/LG28.6.20 X.3923. RE CAR 6. EX. In reply to your telegram, we have arranged to arrive at West WitteringHenry Royce's home town about 10.30 A.M. on Thursday. The following is a list of Experimental parts fitted to 6.EX Car. - X.3350a. 10. Improved Slipper Drive for Starter N.323. X.3985. 11. Jaw Clutch Drive for starter having 32 teeth in place of 6. X.3554. 12. Short clutch Lever. N.1983. X.3545. 13. Rear Axle - Gleason Bevels 15 x 52 - 3.47 to 1 ratio X.3532. 14. Rear Axle Tube fitted with oil Baffles. X.3791a. 15. Side Steering Tube with set-up springs N.325. X.3889. 16. Petrol Tank with Side Filler N.500. X.3680. 17. Main switch - 1" higher Dashboard. 4th Terminal - coil wound for series connection with Actuator Box - fixing nuts for cover N.298. Hs.{Lord Ernest Hives - Chair} R.R. S&SA (100) T(S.C) 648. 19. 9613 | ||