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).
Official order be placed for a modified thermostat from S. Smith & Sons Ltd.
| Identifier | ExFiles\Box 156\2\ scan0008 | |
| Date | 10th January 1938 | |
| 1328 To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/Std.6/JH.10.1.38. Will you please pass an official order to Messrs. S. Smith & Sons Ltd. for 1 thermostat to X.30065 (BV type) except that the valve aperture dia. is to be 1 1/4" dia. and the opening temperature is to be 78 - 80°C. We have already requested this in letter to them Copy Attached. Rm{William Robotham - Chief Engineer}/Std. | ||