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 six battery ignition contact breaker levers with bone grey fibre rubbing blocks.
| Identifier | ExFiles\Box 69\1\ scan0407 | |
| Date | 4th November 1926 | |
| X4646 To RHC{R. H. Coverley - Production Engineer}+ from EFC. EFC2/T4.11.26. X.4646 - BONE GREY FIBRE.RUBBING BLOCKS. Herewith we hand to you six battery ignition contact breaker levers which have been fitted with tungsten points. We should be pleased if you would have these fitted with bone grey fibre rubbing blocks- material for which herewith. EFC. | ||