Modifying instructions for Phantom III cylinder heads, specifically regarding increased diameter exhaust valve stems.
| Identifier | ExFiles\Box 93\4\ scan0022 | |
| Date | 15th October 1935 | |
| x319 To RHC. {R. H. Coverley - Production Engineer} Hs {Lord Ernest Hives - Chair} /Swdl. {Len H. Swindell} 28/KW.15.10.35. Phantom III. We wish to modify the note sent through with regard to the cylinder heads required by us to Hs {Lord Ernest Hives - Chair} /Swdl. {Len H. Swindell} 3/KW.11.10.35. The exhaust valves to have the increased dia. stems to LeC.4711, otherwise the instructions for them in S/SLV and copper plated on one head still stands. 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).