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).
Blueprint showing the condition of a Servo Operating Lever and Sleeve after a 17,000 miles test.
| Identifier | ExFiles\Box 90\5\ scan0139 | |
| Date | 20th June 1938 | |
| G55343 SERVO OPERATING LEVER G55342 " " " G52134 SLEEVE Ex I 47 ALL CAM SURFACES ARE INDENTED BY BALLS THE BEARING SURFACES OF SLEEVE & BORE OF LEVER HEAVILY SCORED ON THE AREA SHOWN BENTLEY S6 BN{W.O. Bentley / Mr Barrington} SERVO LEVERS AFTER 17,000 MILES TEST Ex I 47 20.6.38 | ||