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 fabricate experimental exhaust system components for the Phantom III for testing purposes.
| Identifier | ExFiles\Box 93\1\ scan0083 | |
| Date | 20th January 1937 | |
| 3-23 To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}1/JH.20.1.37. PHANTOM III EXHAUST SYSTEMS. EXPERIMENTAL Will you please make up for test purposes one N/S exhaust downtake pipe in 2.50" dia. and also a barrel 8.00" dia. by 12.00" long. Rm{William Robotham - Chief Engineer}/G.H.Whyman. | ||