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).
Secret memorandum discussing Mr. Elliott's investigation into different types of valve springs.
| Identifier | WestWitteringFiles\T\January1929-February1929\ Scan181 | |
| Date | 28th February 1929 | |
| E.{Mr Elliott - Chief Engineer} RG.{Mr Rowledge} ) FROM R.{Sir Henry Royce} HS.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer} ) (At LeCanadel.) SECRET. R2/M23.2.29. REC'D AT WW. 28.2.29. C. to BG. WCR. VALVE SPRINGS. X296 X2983 Mr. Elliott's investigation is excellent and should be carried on as long as it shews progress towards solving the mysterious difference between different springs. Apparently we have a few items towards perfection in - (1) taper spring (our old practice.) (2) Open ended springs. (3) Low maximum with larger stress range. } All these are very economical for space and very practical R.{Sir Henry Royce} | ||