
Fleming Oscillation Valve

Fleming oscillation valve, (RMW/A18 - McVitie Weston number), by Royal Ediswan, 1906, invented by Sir (John) Ambrose Feming.
Fleming oscillation valve, (RMW/A18 - McVitie Weston number), by Royal Ediswan, 1906, invented by Sir (John) Ambrose Feming.