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).
The replacement of contact breaker lever rubbing blocks with bone grey fibre.
| Identifier | ExFiles\Box 69\1\ scan0399 | |
| Date | 9th April 1926 | |
| X4646 To RHC.{R. H. Coverley - Production Engineer} from EFC. EFC2/T9.4.26. X.4646 - BONE GREY FIBRE. We hand you herewith contact breaker levers together with a sample of bone grey fibre from Messrs. Spaldings. Would you kindly replace the rubbing blocks on these levers by blocks made from this sample, one of which we should like to have at the earliest ppportunity. Would you also please provide the contact breaker lever on the new chassis 12-EX with a rubbing block made from this sample. EFC. | ||