McVitie Weston valve collection, Early Western Electric CAT valve
Early Western Electric CAT valve, type 220-B, 1ft 9in overall, with supporting ring and wires, (RMW/J120 - McVitie Weston number), by Western Electric Company Limited, c.1924.
Early Western Electric CAT valve, type 220-B, 1ft 9in overall, with supporting ring and wires, (RMW/J120 - McVitie Weston number), by Western Electric Company Limited, c.1924.