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).
Running parts on a bumping rig for both 20 HP and 40/50 HP models.
| Identifier | ExFiles\Box 119\2\ scan0330 | |
| Date | 23th April 1929 | |
| X8772 To RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}6/LG23.4.29. XL4268 We have a number of parts which we want to run on the bumping rig both 20 HP. and 40/50 HP. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||