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).
Vehicle faults over quarterly and six-month periods.
| Identifier | ExFiles\Box 146\2\ scan0189 | |
| Date | 1st January 1940 guessed | |
| -10- 36; STEERING LOOSE ON FRAME March quarter C.C. ---- C.P. Previous quarter C.O. I I C.P. Six months I I 37. GEAR BOX JUMPING OUT OF SECOND GEAR. March quarter C.C. ---- C.P. Previous quarter C.O. I I C.P. Six months I I 38. GEAR BOX NOISY March quarter C.C. ---- C.P. Previous quarter C.O. I I C.P. Six months I I 39. PROPELLOR SHAFT PERIOD AT VERY HIGH SPEEDS. March quarter C.C. ---- C.P. Previous quarter C.O. I I C.P. Six months I I | ||