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 location of the 40/50 Torque Arm.
| Identifier | ExFiles\Box 65\4\ scan0055 | |
| Date | 10th December 1926 | |
| 40/50 TORQUE ARM LOCATION. 10/12/26 VERTICAL TOP OF FRAME PATH OF PRESENT SHOCK ABSORBER ARM APPROX ACTUAL PATH OF TORQUE ARM BALL JOINT CENTRE BEST CENTRE FOR SHOCK DAMPER SPINDLE TO PREVENT QUARRELING 14 DEC 1926 DERBY | ||