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).
List of two patent applications for airscrews and pumps.
| Identifier | ExFiles\Box 147\1\ scan0109 | |
| Date | 28th January 1937 guessed | |
| No. Name of Patentee. Title. 1642 M.Watson and F.G.Stewart Airscrews for Aircraft,etc. 1318 Tecalemit Ltd. Pumps etc., --------------------------- It should be noted that it is not possible to obtain further information regarding the above until or unless the applications are completed and published. | ||