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).
Photograph of a Bentley 111 Bump Chassis torque arm made from pressed steel, following a failure test.
| Identifier | ExFiles\Box 99\2\ scan0177 | |
| Date | 2nd February 1938 | |
| BENTLEY 111 - BUMP CHASSIS. FB.2924 - TORQUE ARM (.080" PRESSED STEEL). FAILED AFTER 10 HRS. RUNNING ON BUMP CHASSIS. 2.2.38. | ||