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).
Internal request to place an order with Armstrong Patents Co. Ltd. for pistons and a sealing piece.
| Identifier | ExFiles\Box 152\2\ scan0178 | |
| Date | 16th February 1940 | |
| 1293 To Les.{Ivan A. Leslie} c. G/JWH. Rm{William Robotham - Chief Engineer}/Clm.{D. D. Clapham}9/ML.16.2.40. Will you please send an official order to Messrs Armstrong Patents. Co.Ltd., for a pair of no clearance pistons for their D.A.S. 10. Damper we have on test, and also for a new sealing piece having an increased sealing dimension. Rm{William Robotham - Chief Engineer}/Clm.{D. D. Clapham} Order No: 52444 | ||