Theodor Wilhelm Petersen was born in about 1837 in Flensburg, Prussia. He moved to England, became naturalised, and by the 1870s was a hardware merchant in Newhall Hill, Birmingham. In the Census (1891), he was enumerated at Edgbaston and described himself as a ‘general hardware export merchant. Vice-consul for Sweden and Norway’. He sourced table cutlery, butchers’, and Bowie knives from Trafalgar Works, Wellington Street. Petersen made sales trips to America. In 1896, P....