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).
Diagram showing cracks and chipping in contact pads on a Marles Weller steering system.
| Identifier | ExFiles\Box 28\2\ Scan217 | |
| Date | 28th June 1933 | |
| 20 Ex. CHASSIS 28 - 6 - 33 SHEWING CRACKS IN CONTACT PADS ON MARLES WELLER STEERING AFTER 3,312 MILES CRACK METAL CHIPPED CRACK SCALE: 3 : 1 ROLLS-ROYCE, LTD. PRINT ROOM JUN 26 1933 DERBY. AJS | ||