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).
Summary discussing time and mileage as factors for determining the fitness of a cooling system.
| Identifier | ExFiles\Box 148\2\ scan0070 | |
| Date | 19th November 1938 guessed | |
| Summary From above it will be seen that time as well as mileage is a factor in determining fitness [strikethrough]standardised[/strikethrough] or otherwise of a cooling system for a -actually the mileage required is not necessarily all high speed, but general running + running over rough roads is required & in particular it is necessary to run a number of cars for a considerable period + mileage, = | ||