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 damaged two-part bearing alongside two circular performance diagrams.
| Identifier | ExFiles\Box 116\1\ scan0056 | |
| Date | 31th August 1938 | |
| 31.8.38. AC6 DENNIS 100 x 120 C. TYPE AT 2,600 R.P.M. WITHOUT DAMPER. DENNIS 100 x 120 C. TYPE. AT 2,000. R.P.M. WITHOUT DAMPER. | ||