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).
Drawing for double valve springs for use on the final sports Phantom.
| Identifier | ExFiles\Box 56\2\ Scan040 | |
| Date | 22th October 1927 | |
| BY. {R.W. Bailey - Chief Engineer} from E. {Mr Elliott - Chief Engineer} c. to BJ. Hs. {Lord Ernest Hives - Chair} X290 E1/M22.10.27. SPORTS PHANTOM VALVE SPRINGS. X. 290 X. 8060 We send herewith drg. LeC.2479., shewing the double valve springs for use with the final sports Phantom. You will recollect that we have already supplied information at your request concerning the gauges of wire for these springs. E. {Mr Elliott - Chief Engineer} | ||