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).
Letter to S. Smith & Sons Ltd. requesting a second unit of a specified valve type.
| Identifier | ExFiles\Box 156\2\ scan0017 | |
| Date | 25th January 1938 | |
| Messrs. S.Smith & Sons.Ltd. -2- 25.1.38. Will you also please send us a second new unit of the last mentioned type, (1 1/4" valve seat diameter and 78-80°C opening temperature). Our official order will follow immediately. Yours faithfully, for ROLLS-ROYCE LTD. | ||