This company was based in Sheffield and Birmingham between the 1830s and 1860s – though Osborn companies operated at these locations at an earlier date. The family linkages are difficult to unravel, not least because directories used ‘Osborn’ and ‘Osborne’ interchangeably. But Philip Osborn (c.1770-1833) was listed in directories between 1816 and 1822 as a pen and pocket knife manufacturer in Carver Street. (Osborn, Baggaly & Co in Carver Street in 1811 may also be relevant.) Phi....