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 with a micrograph showing cracks associated with corrosion pits on a broken surface.
| Identifier | ExFiles\Box 107\3\ scan0117 | |
| Date | 31th January 1938 | |
| ROLLS-ROYCE LABORATORY REPORT: H1/EJW.5/GS.31.1.38. M.1,521/7 x20 INSIDE SURFACE OF BROKEN EYE NEAR NEW FRACTURE MADE IN LABORATORY. SHOWING CRACKS ASSOCIATED WITH CORROSION PITS. | ||