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 build a Wraith water pump with new components for testing rotor shaft and thrust wear.
| Identifier | ExFiles\Box 149a\1\ scan0223 | |
| Date | 9th May 1938 | |
| 1269 To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Std.14/JH.9.5.38. Will you please build up a Wraith water pump with new bearings rotor shaft etc. and fit it to W.Bell's pump rig as soon as we are ready for it, in order to carry out tests in connection with rotor shaft and thrust wear. Rm{William Robotham - Chief Engineer}/Std. | ||