Change in main bearing material from AC.7 to AC.2.
| Identifier | ExFiles\Box 115\3\ scan0044 | |
| Date | 31th March 1937 | |
| 2. RM {William Robotham - Chief Engineer} /Swd1.12/MH. {M. Huckerby} 31.3.37. Main bearing material changed from AC.7. to AC.2. Rm {William Robotham - Chief Engineer} /Swd1. | ||
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).