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).
Experimenting with larger section Dunlop tyres for 40/50 HP and 20 HP cars.
| Identifier | ExFiles\Box 53\2\ Scan055 | |
| Date | 12th September 1923 | |
| X4865 To B.J. from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}4/LG12.9.23. RE. TYRES. With reference to your BJ1/DN8.9.23 attached. R.{Sir Henry Royce} was not aware when he wrote his memo. that we were already experimenting with these tyres at Derby. We have on loan from Messrs. Dunlops' larger secion tyres suitable for 40/50 HP. and 20 HP. cars. Hs.{Lord Ernest Hives - Chair} | ||