The Sheffield directory of 1879 carried an advertisement for Kittel Bros. It was a cutlery and tool merchant, selling table and pocket cutlery, razors and edge tools from Brianza Works, Bessemer Road, Attercliffe. The owners were Ernst Theodore Kittel, from Hamburg, and Max Julius Haase. The partnership had a Hamburg office. It became bankrupt in 1880 with liabilities of £1,800, when the address was Portland Works, West Street, and Brianza Works, Westfield Terrace (Sheffield Independent, 13 N....