I found a local seller of these, does anyone know about them
or where I can read up on them? The website contains zero
info about anything they make www.footprint-tools.co.uk/ .
Footprint were for many years the standard issue chisels used by the Royal
Air Force workshops. They're a reasonable middle-of-the-foodchain chisel.
They don't work straight from the box - the backs need quite a bit of
flattening before you've got a sharpenable chisel. Once they're fettled,
they take and hold a pretty good edge.
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Checked by AVG anti-virus system (http://www.grisoft.com ).
Originally "fettling" was the removal of moulding lines and flash from
Nowadays it has become a general term for any sort of "sorting out"
required by anything from a chisel to an engine.