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).
To Roy requesting an order for a lightened Phantom III radiator matrix from John Marstons Ltd.
| Identifier | ExFiles\Box 150\3\ scan0073 | |
| Date | 29th October 1936 | |
| 1280 To Roy.{Sir Henry Royce} Rm{William Robotham - Chief Engineer}/Std.1/JH.29.10.36. Will you please order from Messrs. John Marstons Ltd., one Ph.III Radiator matrix to E.87003 in their Mark VI core, but using the lightened construction with .005 waterway strip and .003 airway strip. This is similar to the lightened Ph.III matrix which we have recently received from them. Rm{William Robotham - Chief Engineer}/Std. | ||