This knife has a combination blade for cutting wire, stripping insulation, and filing terminals. This marks it as an electrician’s or wireless knife – a design that was popularised in the interwar years. The ‘maker’, though, is difficult to identify. ‘Myatt’ was a name that appeared rarely in Sheffield directories – certainly not as a cutlery manufacturer. One possibility is that the knife was factored (‘bought in’) from Sheffield by W. J. Myatt &a....