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 new parts fitted to a car scheduled for a 10,000-mile run, with remarks on the reasons for the changes.
| Identifier | ExFiles\Box 55\2\ Scan082 | |
| Date | 1st January 1920 | |
| X3735a Extract from Hs {Lord Ernest Hives - Chair} 2/LG5.1.20. X.3743. - RE CAR TO RUN 10,000 MILES. X.3647. This car will leave here on Wednesday. It is fitted with the following new parts. New parts fitted. | Remarks. --- | --- 19. Taper Pivot Pins. X.3441. | To make them easier to dismantle. 20. Taper ball ends on steering levers. X.3418. | 21. Spring on Dynamo Tension Rotor. X.3772. | To overcome noise. 22. Whittle Dynamo belt made up of half links. X.3735.a | To overcome noise. 23. "Bensdene" Oil & Pressure Gauges. Oil gauge reads up to 350 lbs. X.3547. | 24. Petrol Tank filler brought to the sides. X.3755. | | ||