Hand-drawn diagram of a test rig for measuring spring characteristics.
| Identifier | ExFiles\Box 20\7\ Scan025 | |
| Date | 26th June 1914 | |
| Fixed Beam Weighing Machine Spring pivoted here Ball Thrust Bearing Hub Road Wheel Pulley Special shaft carrying wheel bearings. | ||
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).