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).
Request to make two compression plates for a Bentley engine to vary the compression ratio.
| Identifier | ExFiles\Box 134\1\ scan0036 | |
| Date | 18th October 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} 1129 Rm{William Robotham - Chief Engineer}/ED.{J. L. Edwards}10/JH.18.10.37 Compression Plates for Bentley. Will you please make two compression plates as per SCT.70 herewith, to be used for varying the compression ratio on the raised crown piston job. Rm{William Robotham - Chief Engineer}/ED.{J. L. Edwards} | ||