The Sheffield directory (1879) had 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. It had a Hamburg office. The prime mover was Ernst Theodor August Kittel, who was a merchant based at Hamburg in Germany. He operated Kittel Bros with a partner, Max Julius Hass. The other Kittel brother has not been identified. The firm became bankrupt in 1880 with liabilities of &po....