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).
Request to manufacture two recording pens for a brake test apparatus.
| Identifier | ExFiles\Box 120\2\ scan0267 | |
| Date | 20th January 1938 | |
| 1029 HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} Rm{William Robotham - Chief Engineer}/AFM{Anthony F. Martindale}1/R.20.1.38. RECORDING PENS. Will you please make two pens similar to the sample herewith. They are for use on brake test apparatus. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} | ||