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 prepare specific thrust springs for a Phantom III clutch.
| Identifier | ExFiles\Box 93\3\ scan0411 | |
| Date | 14th March 1938 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} 312 Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler}8/MH.{M. Huckerby}14.3.38. PHANTOM III CLUTCH. Please prepare - 12 Thrust Springs Rm.{William Robotham - Chief Engineer}31 145lbs. ± 5lbs. 12 " " Rm.{William Robotham - Chief Engineer}32 130lbs. ± 5lbs. Rm{William Robotham - Chief Engineer}/NRC.{N. R. Chandler} | ||