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).
Claims for improvements to car heaters and windscreen defrosters for patent consideration.
| Identifier | ExFiles\Box 147\2\ scan0228 | |
| Date | 20th February 1940 | |
| To NW.{N. Walker - Patents} Car Heaters and Wind screen Defrosters. With reference to your NW{N. Walker - Patents}9/MW.7.2.40. attached are some claims for improvements to heaters, which have been evolved by Mr. Edwards as a result of development work. If these claims are valid we should be glad if you would put through the necessary patent. Rm.{William Robotham - Chief Engineer} | ||