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).
Design for a 20 HP radiator with vertical shutters.
| Identifier | ExFiles\Box 105\1\ scan0003 | |
| Date | 14th July 1926 | |
| x5250 To BJ. from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}3/LG14.7.26. 20 HP. Radiator with vertical shutters. X5250 x 3429 Replying to BJ3/E18.6.26. This matter has been discussed with R.{Sir Henry Royce} and various means were suggested to obtain the results you desire. So far however we have received no new designs. We will take this matter up again when the new radiator for the 20 HP. is designed with vertical shutters. Hs.{Lord Ernest Hives - Chair} | ||