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 for a 10,000-mile test run, along with remarks and observations.
| Identifier | ExFiles\Box 49\1\ Scan126 | |
| Date | 1st July 1934 | |
| X.3612. 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. 1. Michelin Disc Wheels. - front and rear. X.3402. | These wheels have centre point steering. The steering feels unstable; we may be able to have more lean on the pivots with advantage. 2. New type rear shock absorbers, with all latest modifications. X.3461.b. | Set to 75 lbs. load on the maximum stage. 3. Gleason Skew Bevels. X.3612. | Axle not very good to silence. We feel we have upset it by dismantling it ot fit oil retaining baffles. 4. Oil retaining baffles in axle. X.3532. | To prevent oil getting on to the rear brakes. 5. Oil retaining ring solid with clutch ring. X.3657. | This does away with the loose aluminium ring. 6. New clutch operating lever. X.3657. | To improve operating mechanism. R.R. 255 A. {Mr Adams} (100 T) 1M.7.34F. B.& S.(D) C. 2400. | ||