English Crown Spelter Co
of Queen Street Place, London, spelter refiners.
The Crown Works at Port Tennant, were started by Shackleford and Ford, passed to the Richardson firm of copper-smelters, and in 1883 became the present English Crown Spelter Co[1].
1883 The company was registered on 9 March, to acquire spelter works situated at Swansea, and calamine mines at Oneta, Lombardy. [2]