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).
And fitting of valve sealing washers.
| Identifier | ExFiles\Box 100\3\ scan0025 | |
| Date | 6th June 1939 | |
| 45H & 65H To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. HPS{Horace Percy Smith - Experimental Factory Mgr}/RH.{R. Hollingworth} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}2/MH.{M. Huckerby}6.6.39. VALVE SEALING WASHERS. Further to our memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}11/MH.{M. Huckerby}31.5.39 regarding the alum sealing washers, these have now been detailed to EW.2260 and are to be fitted in conjunction with Ex.32222 top washers. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||