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 Bentley 6 main bearings after endurance and general running tests.
| Identifier | ExFiles\Box 3\6\ 06-page278 | |
| Date | 16th October 1974 | |
| BENTLEY 6 MAIN BRGS. W/MT AFTER 100 HRS. F.T. ENDURANCE AND 100 HRS GENERAL RUNNING 16-10-74 | ||