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).
Confirming that after further tests, it is safe to proceed with 19' rims for the 20 HP car.
| Identifier | ExFiles\Box 106\4\ scan0112 | |
| Date | 16th March 1929 | |
| X5810 BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}3/T16.3.29. After further tests we consider that it will be safe for you to go ahead on the 19" rims for the 20 H.P. car. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||