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By 1876 the works was operating (shown on the 25 inch OS map).
1900 Shown on the OS map as "Llantrisant Tin Plate Works"
1919 Shown on the OS map as "Ely Tin Plate Works"
1941 Shown on the OS map as "Ely Tin Plate Works".
The buildings have since been demolished and the site occupied by the Ely Valley Industrial Estate.