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).
The manufacture of 4 sets of valve parts for Armstrong Shock Dampers.
| Identifier | ExFiles\Box 152\1\ scan0294 | |
| Date | 21th April 1937 | |
| J 1293 HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie} Rm{William Robotham - Chief Engineer}/Les3/R.21.4.37. ARMSTRONG SHOCK DAMPERS. Will you please make 4 sets of valve parts to Rm.{William Robotham - Chief Engineer}358/9/60/1/2. Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie} | ||