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).
Cross-sectional diagram of an adjustable choke and mixture valve assembly for an induction pipe.
| Identifier | ExFiles\Box 31\4\ Scan097 | |
| Date | 5th October 1931 guessed | |
| ADJUSTABLE VALVE FOR QUANTITY OF MIXTURE! ADJUSTABLE CHOKE SLEEVE. UP FOR WEAK - DOWN FOR RICH. THIS FACE TO BOLT ON TO INDUCTION PIPE PETROL FEED FROM CONTROLLED LEVEL, (FLOAT CHAMBER) | ||