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 detailing the location and path of a 40/50 model Torque Arm.
| Identifier | ExFiles\Box 14\5\ Scan005 | |
| 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. | ||