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).
Complete patent specification for an improved rotary valve and its driving gear.
| Identifier | ExFiles\Box 147\4\ scan0172 | |
| Date | 13th August 1940 | |
| PATENTS AND DESIGNS ACTS, 1907 to 1939. FORM NO. 3. COMPLETE SPECIFICATION. No. 12966/40. Dated 13th August, 1940. "AN IMPROVED ROTARY VALVE AND DRIVING GEAR THEREFOR". I, WILLIAM ARTHUR ROBOTHAM, a British Subject, of Park Lees, Duffield, Derbyshire, do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement:- 1. | ||