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).
Patent document for improvements to hollow moulded plastic airscrew blades.
| Identifier | ExFiles\Box 147\2\ scan0246 | |
| Date | 15th February 1940 guessed | |
| No. Patentee. Title. E.{Mr Elliott - Chief Engineer} 504,377 The De Havilland Aircraft Co.Ltd., and Ernest Platten King. Improvements in or relating to Hollow Moulded Plastic Airscrew Blades. | ||