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).
Page (3) of a document discussing methods for producing turbulence in relation to piston and plug positioning.
| Identifier | WestWitteringFiles\O\January1926-March1926\ Scan116 | |
| Date | 8th March 1926 guessed | |
| (3) figs. (3) & (4). of producing turbulence at the same time being compact, (excepting the thin gas section above the piston) and with maximum inward position of plugs. E.{Mr Elliott - Chief Engineer} | ||