The genealogy of this firm demonstrates the complexity of early Sheffield business networks, in an era – the late eighteenth and early nineteenth centuries – when partnerships (especially amongst merchants and factors) could be fluid and short-lived. This enterprise probably originated in the 1770s, when Joseph Shemeld, Jonathan Parkin, and Jonathan Hague launched a partnership as table and pocket knife makers at Sycamore Street. In the Sheffield directory (1774), their mark was a crossed keys and hea....