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).
Cost inquiry regarding the production of a carbon steel brake drum liner.
| Identifier | ExFiles\Box 120\2\ scan0110 | |
| Date | 14th November 1936 | |
| 1029 To G/Rb.{R. Bowen} from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} c. to E/Lid.{A. J. Lidsey} Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale}12/AP.14.11.36. ALUMINIUM BRAKE DRUMS. We should like to know the cost of making the brake drum liner GB.2404 in carbon steel, formed from a flat strip by welding, quenched and tempered to give the correct Brinell figure. Your cost of the liner in iron is 12/-. As the welded steel liner described above has given satisfaction, we would like to know if it is any cheaper to produce. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | ||