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).
Manufacture of Phantom III exhaust systems from different treated mild steels to test their non-corrosive qualities.
| Identifier | ExFiles\Box 93\1\ scan0084 | |
| Date | 20th January 1937 | |
| To HPS.{Horace Percy Smith - Experimental Factory Mgr} 32B Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager}4/JH.20.1.37. PHANTOM III EXHAUST SYSTEMS. Will you please arrange to make up and fit to 33-EX and 37-EX cars downtake pipes, front expansion boxes and intermediate pipes in "Aluminized" mild steel. For 36-EX car we would like to same parts to be made in mild steel but nickel plated at R.R. Works inside and outside We wish to do this to find out the non-corrosive qualities of mild steel so treated. Rm{William Robotham - Chief Engineer}/G.H.Whyman. | ||