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 22 modifications or part specifications, with corresponding reference and scheme numbers.
| Identifier | ExFiles\Box 72\2\ scan0147 | |
| Date | 11th September 1925 | |
| Y-EX X8998 11-9-25 1. X.8600 - Side Spare Wheel Carrier to N.Sch:2015. using Step Iron F.72676. 2. X.8430 - Latest "D" type Steeting (720 lead) with Damped 10 1/2 Pendulum Lever to N.Sech's. 1993 -2024. 3. X.8400 - Modified Luggage Grid to N.S.2028. 4. X.8460 - Modified Petrol Tank to suit Luggage Grid N.S.2028. 5. X.8530 - Grouped Instrument Board. (A.Toon to see that latest Instruments are fitted). 6. X.8470 - "D" type Accelerator Pedal to N.S. 2044. Dashbracket Drilling drgs F.73583-4 to suit N.S.2044 7. X.8510 - Cylindrical Autovac - F.73498. 8. X.8380 - Front No.Plate Bracket & Clip FD{Frank Dodd - Bodies}72758-9. 9. " " - Radiator Suspension Bracket to N.Scheme 1958. 10. " " - Lock Plate for Wing Stay Socket to N.S. 2011. 11. " " - Stiffener for F & R.{Sir Henry Royce} Spring Buffer to N.S. 1960. 12. X.8500 - 2 1/4 Wider & 1" higher "D" type Dashboard F.73482. & Water Channel F.72729. 13. " " - Lock Plate - F.73552. 14. X.4555 - Dipping Head Lights to N.S. 1855. 15. X.8250 - Latest Radiator with Parallel Sides & Integral Shutters to Scheme 686. 16. " " - Radiator Shutter Control Bracket to Scheme 684. 17. X.8260 - Bonnet with Louvred Side Plates E.74235-6 to L.O.P. E.74251. 18. " " - Bonnet Guards for Roller type Bearing to N.S. 1981. 19. X.8180 - Improved Corrugated Water Connections. 20. X.8080 - Carburetter Filter(160 Mesh) & Stud to LeC 2127. 21. X.8240 - Control Ball Joint Body E.73935. 22. " " - Instrument Board Controls to N.Schemes 2035-6. | ||