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).
Particulars of valve areas.
| Identifier | WestWitteringFiles\W\May1931-August1931\ Scan025 | |
| Date | 22th May 1931 | |
| ORIGINAL To E.{Mr Elliott - Chief Engineer} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}4/KT.22.5.31. Herewith further particulars of valve areas as promised, which may be of use to you. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||