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).
Outside patent searches, requesting specific patent specifications.
| Identifier | ExFiles\Box 147\2\ scan0315 | |
| Date | 13th May 1940 | |
| NW.{N. Walker - Patents} from Rm.{William Robotham - Chief Engineer} Rm.{William Robotham - Chief Engineer}13/ML.13.5.40. re OUTSIDE PATENT SEARCHES. With reference to NW.{N. Walker - Patents}2/MW.10.5.40. I would like to see the Patent Specifications given below : 519,622 The Rover Co.Ltd., and P. A Scott-Iverson. Magnetically controlled change speed gearing. 6999. General Motors Corporation. Rotary blowers, etc., 7325. F.Porsche. Brakes, more particularly for automobiles. Rm.{William Robotham - Chief Engineer} | ||