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 a fracture and cracks on a spring from a 25/30 HP chassis.
| Identifier | ExFiles\Box 107\3\ scan0116 | |
| Date | 31th January 1938 | |
| ROLLS-ROYCE LABORATORY REPORT: H1/EJW.5/GS.31.1.38. M.1,521/5 x10 25/30 HP. CHASSIS. FRACTURE AFTER OPENING UP OF CRACKS SHOWN IN M.1,521/3. M.1.521/6 x3 INSIDE SURFACE OF EYE AT THE UNBROKEN END OF SPRING. CRACKS SHOWN UP ON MAGNETIC CRACK TESTER AFTER CLEANING. | ||