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).
Instructing the modification and lightening of Spectre valves, particularly the exhaust valve.
| Identifier | ExFiles\Box 96\2\ scan0012 | |
| Date | 14th September 1934 | |
| X6094 354 To RHC{R. H. Coverley - Production Engineer}: Hs{Lord Ernest Hives - Chair}/Smth.16/KW.14.9.34. SpectreCodename for Phantom III Valves. We wish to lighten the SpectreCodename for Phantom III valves, particularly the exhaust valve. Will you therefore please modify the existing set to Hs.{Lord Ernest Hives - Chair}1502/3. Hs{Lord Ernest Hives - Chair}/Smth. | ||