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).
Notice regarding the testing of a new metallic clutch facing for 20/25 and 3.5 Litre Bentley models.
| Identifier | ExFiles\Box 161a\2\ scan0034 | |
| Date | 26th October 1937 guessed | |
| 20/25 COMPLAINTS CLUTCH SLIPS A new type of metallic facing is being tested by the Experimental Department on the old 20/25 clutch with great promise. These facings can be fitted to the clutch in the place of the standard material without any modification and are applicable also to the early 3½ Litre Bentley Clutches. | ||