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).
Diagram and summary of faults found in Bentley steering systems over a 12-month period.
| Identifier | ExFiles\Box 153\1\ scan0307 | |
| Date | 19th May 1939 guessed | |
| FAULTS IN 12 MONTHS ON BENTLEY STEERING. DIAGRAM LABELS: 1) CROSS STEERING LEVER 2) CROSS STEERING TUBE BENDS. 3) CROSS AND SIDE STEERING LEVER BENDS. 4) SIDE STEERING TUBE BENDS. 5) PENDULUM LEVERS BEND 6) CAGE BOLTS STRETCH. 7) ROCKING SHAFT TWISTS. 8) WORM TUBE BENDS. BENTLEY 1) 41 X.STG. LEVERS. 2) 38 X.STG. TUBES. 3) 93 X. & SIDE STG. LEVERS. 4) 30 SIDE STG. TUBES. 5) 2 PENDULUM LEVERS. 6) 30 CAGE BOLTS 7) 7 ROCKING SHAFTS 8) 12 WORM TUBES. | ||