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 manufacture a mild steel pipe for test purposes on a Phantom III exhaust system.
| Identifier | ExFiles\Box 93\1\ scan0081 | |
| Date | 7th January 1937 | |
| 323 To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm.{William Robotham - Chief Engineer}Wym.{G. Harold Whyman - Experimental Manager}4/JH.7.1.37. Phantom III Exhaust System. Will you please make up for test purposes a pipe in mild steel 2.50" dia. and 72.00" long. Rm{William Robotham - Chief Engineer}/G.H.Whyman. | ||