Leeds Copper Works
of Pontefract Road, Leeds
1892 or earlier: the copper works was established
1899 The company was registered on 20 May, as the English Electro-Metallurgical Co, and took over from Elmores Trust, the assets of Elmores Patent Copper Depositing Co, Elmores Wire Manufacturing Co, Elmores Foreign and Colonial Patent Copper Depositing Co and Elmores American and Canadian Patent Copper Depositing Co, also owning all the patents, processes and improvements of the Societe Francaise d'Electro Metallurgie, working the Elmore process in France, and of the late Monsieur Secretan for all countries France and Russia. [1]
1902 The English Electro-Metallurgical Co changed its name to Leeds Copper Works[2]
1909 Yorkshire Copper Works established as successor company.