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 record for driving arrangements and beryllium alloys.
| Identifier | ExFiles\Box 147\2\ scan0122 | |
| Date | 9th November 1939 guessed | |
| No. Patentee. Title. H L . 513,773 Seri Holdings S.A. connected with the Driving Arrangements of Motor Road Vehicles. Beryllium Alloys. ------------------- | ||