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 for 14 modified pistons from Light Production Co. Ltd.
| Identifier | ExFiles\Box 148\3\ scan0347 | |
| Date | 16th May 1938 | |
| 1256. To Roy.{Sir Henry Royce} c. to G/JWH. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews}8/JH.16.5.38. Will you please pass an official order to the Light Production Co.Ltd. for the production of 14 pistons to our drawing Rm.{William Robotham - Chief Engineer}522. Please note there will be additional cost over the existing price to cover alteration to pattern and extra machining necessary on the crown. Rm{William Robotham - Chief Engineer}/Mths.{Reg Matthews} | ||