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).
The concluding page of a letter discussing a trial to be carried out in Derby.
| Identifier | ExFiles\Box 24\1\ Scan058 | |
| Date | 15th December 1931 guessed | |
| 2. I am somewhat doubtful whether I can come up to Derby before I leave, but if it is possible to do so I am most anxious to carry out the trial just before leaving, so that my figures may be accurate. Yours very truly, [Signature: Colin Burns] | ||