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 the failure of a Bentley back axle pinion roller track.
| Identifier | ExFiles\Box 83\2\ scan0318 | |
| Date | 21th March 1938 | |
| ROLLS-ROYCE LABORATORY REPORT: H1/EJW.P/GS.21.3.38. M.1,556/1 x 1.5 BENTLEY BACK AXLE PINION SHOWING FAILURE OF ROLLER TRACK. | ||