The manufacture of relief valves and caps for the Spectre project.
| Identifier | ExFiles\Box 96\2\ scan0046 | |
| Date | 14th June 1935 | |
| X 354 To RHC. {R. H. Coverley - Production Engineer} Hs {Lord Ernest Hives - Chair} /Swdl. {Len H. Swindell} 3/KW.14.6.35. Spectre(Codename for Phantom III). Will you please make the following relief valves and caps :- 4 off Hs. {Lord Ernest Hives - Chair} 2035 Relief Valves. 2 off Hs. {Lord Ernest Hives - Chair} 2036 Relief Valve Caps. 1 off Hs. {Lord Ernest Hives - Chair} 2037 " " " 1 off Hs. {Lord Ernest Hives - Chair} 2038 " " " Hs {Lord Ernest Hives - Chair} /L.H.Swindall. | ||
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).