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 modified inlet and exhaust valves with associated cotters and washers.
| Identifier | ExFiles\Box 17\6\ Scan234 | |
| Date | 9th June 1934 | |
| X7060 To RHC.{R. H. Coverley - Production Engineer} Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}1/KW.9.6.34. Will you please make a set of inlet and exhaust valves to LeC.3960, the inlet valve to be drilled with a .156" dia. hole as shown on EX.12011. Will you supply with these valves cotters and bottom washers to suit the standard valve springs E.81550 as shown on the LeC. The double valve springs are not required for the time being. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||