The fitting of bone grey fibre rubbing blocks to contact breaker levers.
| Identifier | ExFiles\Box 69\1\ scan0408 | |
| Date | 25th November 1926 | |
| X4646 To RHC. {R. H. Coverley - Production Engineer} from EFC. {E. Fowler Clarke - Electrical Engineer} EFC {E. Fowler Clarke - Electrical Engineer} 5/T25.11.26. BONE GREY FIBRE RUBBING BLOCKS We hand you herewith four more contact breaker levers. Will you kindly XXXX add these to the six which we have already handed to you (EFC {E. Fowler Clarke - Electrical Engineer} 2/T4.11.26) to be fitted with bone grey fibre rubbing blocks from material handed to you for the purpose. EFC. {E. Fowler Clarke - Electrical Engineer} | ||
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).