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).
Instructions on the correct procedure for taking temperature readings in a test house.
| Identifier | ExFiles\Box 37\3\ scan 099 | |
| Date | 15th September 1917 guessed | |
| Contd. 2. When taking the temperature of the test house, it is important that the figure recorded should be the mean of two or three readings taken not closer than 4 ft. to the engine, and approximately on a level with the air intake pipe. (Sgd) Andrew A.{Mr Adams} Ross. E.S.I. for Chief Inspector (Engines). Aeronautical Inspection Directorate. | ||