Radiator filter being fitted to the 23-EX test car along with automatic shutters.
| Identifier | ExFiles\Box 27a\3\ Scan077 | |
| Date | 17th December 1929 | |
| X456 To Sg. {Arthur F. Sidgreaves - MD} From Hs. {Lord Ernest Hives - Chair} c. to Wor. {Arthur Wormald - General Works Manager} Hs. {Lord Ernest Hives - Chair} 2/MJ.17.12.29. RADIATOR FILTER. Replying to Sg {Arthur F. Sidgreaves - MD} 23/E16.12.29. A scheme of filter in the radiator has been built into the same radiator as the automatic shutter control. This device with the automatic shutters will be fitted to 23-EX., the car for 10,000 miles test in France. Hs. {Lord Ernest Hives - Chair} | ||
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).