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).
Evolving an intermediate tyre to balance silence and safety.
| Identifier | ExFiles\Box 45\2\ Scan251 | |
| Date | 8th April 1930 guessed | |
| -2- are considered, the difference between tread patterns becomes greater. We are, however, evolving an intermediate tyre between silent tread and triple stud to get a better balance between silence and safety. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||