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 showing the condition of Bentley Z8 B.H. unit trials car bearings after 22,000 miles of running.
| Identifier | ExFiles\Box 115\1\ scan0210 | |
| Date | 27th November 1936 guessed | |
| ⑪ (BENTLEY) (Z8 B.H. UNIT TRIALS CAR) BEARINGS WHICH ARE STANDARD HALL'S AC7 METAL AFTER 22,000 MILES RUNNING. NO.2. BIG END BEARINGS IN POOR CONDITION PRESUMED TO BE BREAKING OFF OF LINER FACING. | ||