John Henry Roberts was born in Sheffield in about 1835, the son of James Roberts and his wife, Ann. His father operated Roberts & Mettam, which was one of the leading horn cutting firms. James’s sons – John Henry and Thomas – established themselves as Britannia metal and electro-platers at Shoreham Works, Shoreham Street. Roberts & Co was active from about 1858 to 1867, when it was dissolved. John Henry Roberts continued the business, but the firm was not listed b....