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).
Page two of a letter to Joseph Lucas Ltd. regarding issues with unit performance during a heating run.
| Identifier | ExFiles\Box 166\2\ img252 | |
| Date | 12th May 1939 | |
| -2- Joseph Lucas Ltd., 12th. May, 1939. seriously) which we have always attributed to a variation in either the contact surfaced or the controlling spring pressure. For example with unit No.Xl and to a less extent on No.X. something happened during the two hour heating run which resulted in the output hot, being less than the output cold. Yours faithfully, FOR ROLLS-ROYCE LTD. | ||