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).
Order for a set of pistons and the machining of ring grooves.
| Identifier | ExFiles\Box 148\1\ scan0083 | |
| Date | 27th March 1939 | |
| 1256 + spare file To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} c. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}5/MH.{M. Huckerby}27.3.39. B.II NO.4 UNIT (PISTONS). Will you please order a set of pistons from the Repair to EB.2844 and machine the ring grooves in accordance with the attached drawing EXS.1550. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} to supply the rings which are high pressure type obtained from Hepworth & Grandage Ltd. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||