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).
Secret memo considering a patent for a cost-saving method of attaching gears in a 4-speed gearbox.
| Identifier | ExFiles\Box 6\4\ 04-page104 | |
| Date | 30th March 1925 | |
| [REDACTED] from AJS. [REDACTED] c. to HS.{Lord Ernest Hives - Chair} X5310 SECRET. AJS1/DB.{Donald Bastow - Suspensions}30.3.25. INDIA - 4 SPEED GEAR BOX. The method of loosely screwing together the gears to effect torsional freedom to the above box, appears to have saved us a great deal of expense, and we wondered if you would consider it worth while taking out a patent for this method of attaching gears to one another in certain cases. AJS. | ||