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 set of Spectre exhaust valves with solid stems.
| Identifier | ExFiles\Box 96\2\ scan0053 | |
| Date | 6th September 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X354 Hs{Lord Ernest Hives - Chair}/Smth.22/KW.6.9.35. SpectreCodename for Phantom III Exhaust Valves. Will you please make us a set of exhaust valves to E.86289, but with solid stems. We will call these Hs.{Lord Ernest Hives - Chair}2111. Hs{Lord Ernest Hives - Chair}/Smth; | ||