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 showing the performance characteristics of a standard Phantom III front damper.
| Identifier | ExFiles\Box 95\1\ scan0355 | |
| Date | 16th July 1936 guessed | |
| CURVE N° 5. STD PH. III FRONT DAMPER CHARACTERISTIC. DAMPING LOAD - LBS. PER WHEEL GOVERNOR PRESSURE - LBS/□" 0 50 100 150 200 300 0 10 20 30 40 50 | ||