List of parts to be fitted to a 20/25 HP car for a 10,000-mile test.
| Identifier | ExFiles\Box 101\4\ scan0012 | |
| Date | 26th March 1935 | |
| To Sg. {Arthur F. Sidgreaves - MD} from Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} c. to C. X500a Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 23/KW.26.3.35. 10,000 miles test on 20/25 HP. Car. Replying to Sg. {Arthur F. Sidgreaves - MD} 1/E.18.3.35, we are making an effort to get rid of 5-B-IV before we start on the 20/25. We are getting together a useful list of parts to be fitted to this car, which include :- Stellited exhaust valves to overcome the trouble experienced on the last 10,000 miles test. Lighter steering. Four wheel jacks. Water excluders. Air cooled dynamo. New type clutch. Geared starter motor. [Handwritten across the list: Noted] The car will be ready approximately three weeks after the despatch of 5-B-IV. Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).