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).
Blueprints for a fan-cooled brake drum and subsequent production arrangements.
| Identifier | ExFiles\Box 121\1\ scan0417 | |
| Date | 20th March 1941 | |
| To Rm{William Robotham - Chief Engineer}/MHR.{M. H. Rigby} from Rm{William Robotham - Chief Engineer}/HH. c. to Rm.{William Robotham - Chief Engineer} 1029 Rm{William Robotham - Chief Engineer}/HH.7/SW.20.3.41. Handwritten: Brakes prints of :- Rm.{William Robotham - Chief Engineer}688 Fan cooled brake drum. Handwritten: Rm{William Robotham - Chief Engineer} We gave you yesterday two blue- It was arranged to produce the blades from the scheme and make any further modifications as required without any further drawings. Rm{William Robotham - Chief Engineer}/HH. | ||