Requesting the preparation of stellited exhaust valves for the 20/25 HP and Spectre models.
| Identifier | ExFiles\Box 91\3\ scan0107 | |
| Date | 23th September 1935 | |
| To RHC. {R. H. Coverley - Production Engineer} X300a (v) Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} 17/KW.23.9.35. 20/25 HP. & Spectre(Codename for Phantom III) Exhaust Valves. Will you please prepare a set of 12. KE-965 stellited exhaust valves for the Spectre(Codename for Phantom III), six of which should be fitted to Spectre(Codename for Phantom III) II before it goes away, or alternatively follow it. Will you also prepare three stellited exhaust KE-965 and three stellited silichrome valves for the large inlet valve 20/25 head at present being completed. These will run 10,000 miles on B-14 unit in 21-G-IV. HS {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} | ||
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).