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).
Attaching acceleration curves for the original 20 HP, early 20/25 HP, and present standard 20/25 HP car models.
| Identifier | ExFiles\Box 113\2\ scan0189 | |
| Date | 30th October 1933 | |
| X172/5. W/S. To Cx{Major Len W. Cox - Advertising Manager}/Esd.{Frank C. T. Evershed} from Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey}3/KT.30.10.33. Cx{Major Len W. Cox - Advertising Manager}/Esd{Frank C. T. Evershed}5/CP27.10.33. Attached are acceleration curves for the original 20 HP. car, early 20/25 HP., and present standard 20/25 HP. car, as requested. Hs{Lord Ernest Hives - Chair}/Lid.{A. J. Lidsey} | ||