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).
Short memo forwarding Specification No. 519,626.
| Identifier | ExFiles\Box 147\2\ scan0318 | |
| Date | 16th May 1940 | |
| Rm.{William Robotham - Chief Engineer} Dm.{D. Munro} NW{N. Walker - Patents}4/MW. 16.5.40. Further to our NW{N. Walker - Patents}8/MW.16.5.40; herewith Specification No. 519,626. N.W. Rm{William Robotham - Chief Engineer} | ||