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).
Requesting the production of several oil pumps with 10° angle Helical gears for testing on experimental engines.
| Identifier | ExFiles\Box 149\2\ scan0134 | |
| Date | 13th January 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} γ 1265. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}10/AP.13.1.37. OIL PUMPS. Will you please make up several pumps to LeC.4288 but with the 10° angle Helical gears which we can try on experimental engines. We are anxious to get information on the rig tests of oil pumps which we asked for in memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}5/AP.24.12.36. Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell} | ||