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 closing page of a letter from Colt Ventilation Ltd.
| Identifier | ExFiles\Box 135\1\ scan0021 | |
| Date | 19th March 1932 guessed | |
| -5- Assuring you of our best attention at all times Yours faithfully, pp COLT VENTILATION LTD. | ||