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 for a sample of bone grey fibre for use in contact breakers and for third-party testing.
| Identifier | ExFiles\Box 69\1\ scan0409 | |
| Date | 3rd December 1926 | |
| To RHC.{R. H. Coverley - Production Engineer} from EFC. X 4646 EFCl/T3.12.26. BONE GREY FIBRE. X. 4646. We should like to have a small piece of bone grey fibre from the supply which we have given you for fitting up 10 contact breakers with rubbing blocks. We want to send a piece to Messrs. Norths for trying on their magneto contact breaker. EFC. | ||