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).
Summary of details and modifications fitted to car WXA.1 following a test.
| Identifier | ExFiles\Box 109\5\ scan0065 | |
| Date | 21th June 1938 | |
| 21.6.38. Sg{Arthur F. Sidgreaves - MD}'s. Car. WXA.1. Summary of details fitted to Sg{Arthur F. Sidgreaves - MD}'s. car WXA.1. Passed on Test 18.6.38. (1) Needle bearing pivots. (2) Slipper flywheel set at 15 1/2 lbs. (3) Modified fan adjustment FCD.510. (4) EW.1789 Exhaust manifold and new intermediate pipe to replace the existing pipe which was found broken at the front end. (5) Fully isolated change speed and GCD.446 steady spring and lower bell crank shield. (6) Mod. to Synchro on Gearbox. (7) Halo 3L servo linings. (8) Side steering tube joints to SCD.578. (9) New valve grummits. (10) New rocker shaft. (11) Auto. splash vent pipe FCD.489. (12) Robber stop on accelerator pedal. (13) Clips fitted and servo star springs. (14) Carburetter adjusted to production setting. | ||