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).
From RHC to EFC listing completed experiments ready for fitting to an engine.
| Identifier | ExFiles\Box 37\3\ scan 004 | |
| Date | 12th February 1918 | |
| X3107 To EFC. from RHC.{R. H. Coverley - Production Engineer} 12.2.18. The following experiments are completed and ready for fitting to engine.- X.3107.- "Rub Metal" Joints. X.3204.- Improvements to lubrication of Airship clutch thrust bearings. X.3212A. New single type valve springs to LeC.867. X.3245B- Petrol inlet pipes - scheme "B". RHC.{R. H. Coverley - Production Engineer} [Signature for RHC{R. H. Coverley - Production Engineer}] | ||