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 on a Bentley back axle pinion, showing a transverse section and fracture of the case on the roller track.
| Identifier | ExFiles\Box 83\2\ scan0319 | |
| Date | 21th March 1938 | |
| ROLLS-ROYCE LABORATORY REPORT: H1/EJW.Z/GS.21.3.38. BENTLEY BACK AXLE PINION. M.1,556/2 x2 TRANSVERSE SECTION OF CASE ON ROLLER TRACK. CASE M.1,556/3 x4 FRACTURE OF CASE ON ROLLER TRACK. | ||