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).
Graph comparing the hysteresis of special and ordinary ball bearings supporting the inner pressure plate of a Bentley & 25 HP servo.
| Identifier | ExFiles\Box 16\3\ Scan119 | |
| Date | 19th December 1934 guessed | |
| HS{Lord Ernest Hives - Chair} 1661 HYSTERESIS OF BENTLEY & 25 H.P. SERVO COMPARISON OF SPECIAL & ORDINARY BALL BEARINGS SUPPORTING INNER PRESSURE PLATE CONDITIONS OF TEST. 1. SPRING RING TORSIONAL CONNECTION. 2. BALL BEARING BRIDGE 3. 45° CAMS SPECIAL BALL BEARING WITH END PLAY BALL BEARING WITHOUT END PLAY OUTPUT - LOAD IN VERTICAL ROD - lbs. INPUT - COUNTERSHAFT TORQUE lbs. AT 18.5" | ||