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).
Conclusion from a test on the springing of the 20 HP model.
| Identifier | ExFiles\Box 43\2\ Scan135 | |
| Date | 28th April 1926 guessed | |
| contd :- -2- various combinations of springing. This test shows up clearly that customers satisfaction with the 20 HP. springing is justified. Hs.{Lord Ernest Hives - Chair} | ||