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 fit double valve springs to Spectre Unit No. 5.
| Identifier | ExFiles\Box 96\2\ scan0033 | |
| Date | 8th March 1935 | |
| x 354 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Smth.6/KW. 8.3.35. SpectreCodename for Phantom III - Valve Springs. Will you please fit double valve springs to Hs.{Lord Ernest Hives - Chair}1827/8 to SpectreCodename for Phantom III Unit No. 5. The valve spring washers etc. should be to LeC.4124. Hs{Lord Ernest Hives - Chair}/Smth. | ||