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).
Laboratory report on an A.C.7 alloy casting showing an unsatisfactory internal condition.
| Identifier | ExFiles\Box 115\3\ scan0144 | |
| Date | 9th December 1937 | |
| ROLLS-ROYCE LABORATORY REPORT. H12/RS.{Sir Henry Royce's Secretary}9.12.37. M.1500/2 A.C.7 alloy. Cast B.9. Longitudinal section of pot showing unsatisfactory condition of part from which bearing is machined. | ||