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 manufacture twelve exhaust valve guides for an O.H.C. unit B.23.
| Identifier | ExFiles\Box 113\5\ scan0205 | |
| Date | 21th October 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} c. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} 1004 Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}1/MH.{M. Huckerby}21.10.37. VALVE GUIDES FOR O.H.C. UNIT. B.23. When fitting the smaller valves and seats instructed in Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}11/MH.{M. Huckerby} 9.9.37, it is thought that new guides may be necessary. Will you please, therefore, have twelve exhaust valve guides made for this unit. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||