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 showing the micrograph analysis of a failed spring pot bracket from a Wraith model.
| Identifier | ExFiles\Box 119\1\ scan0093 | |
| Date | 2nd May 1938 | |
| ROLLS-ROYCE LABORATORY REPORT: H1/EJW.1/SK.2.5.38. WRAITH - FAILED SPRING POT BRACKET. M.1592/1 x150 Reasonably fine grained structure at positions A and B. M.1592/2 x150 Coarse Casting structure at position X showing decarburisation and oxide penetrating cell boundaries. M.1592/3 x150 Coarse Casting structure at position C. M.1592/4 x150 Coarse casting structure at position C. | ||