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).
Changing the axle ratio for a car, model WXA-1.
| Identifier | ExFiles\Box 109\5\ scan0013 | |
| Date | 7th March 1938 | |
| 664 A W/S. Sg.{Arthur F. Sidgreaves - MD} from Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}3/R.7.3.38. Higher Axle Ratio - WXA-1, Replying to Sg{Arthur F. Sidgreaves - MD}4/E3.3.38., we shall be ready to change your axle ratio as soon as your car gets back on the 21st. Rm.{William Robotham - Chief Engineer} | ||