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).
List of observations and faults found during a vehicle test, covering engine tick-over, heater, and wipers.
| Identifier | ExFiles\Box 6\6\ 06-page408 | |
| Date | 29th December 1937 | |
| -2- Rm{William Robotham - Chief Engineer}/Ory.1/AP.29.12.37 (13) The tick-over is set very much too fast. (14) When running in the half-way position the Clayton heater control switch gets hotter than the wood work will probably like. (15) The windscreen wipers seem a large improvement on any others fitted to experimental cars. (16) Side wire guard of heater rattles from engine roughness. Rm{William Robotham - Chief Engineer}/Ory. | ||