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).
Fitting the same type of louvres on the 20 HP bonnet as used on the 40/50 HP.
| Identifier | ExFiles\Box 102\6\ scan0033 | |
| Date | 18th March 1926 | |
| To. Hs.{Lord Ernest Hives - Chair} from BJ. Copy to... BY OWB V/5260 BJ6/H18.3.26. Re 20 HP. Louvred Bonnet. Please let me know the position in regard to having the same type of louvres on the 20 HP. bonnets as are now being fitted to the 40/50 HP. B.J. | ||