Hi David Sorry I cannot get too deeply involved. I
have a terminal illness so I`m sure you will
understand
I excavated and recorded an early Saxon Iron working
industry in 1985 with evidence of smelting , smithing
and ancillary processing. The tuyere`s were exactly as
you described them, A large conglomerate of slag and
burned clay attached to the inner end of the tube (in
my case the shape in section across the tube was "D"
shaped I am in the midst of handing all my 15years
work finds and records over to English Heratage but if
you are interested in furthur information I sugest you
contact Essex county council archeology department at
Chelmsford Kindliest regards
Pat Adkins
--- David Liversage <[log in to unmask]> wrote: >
For Viking blacksmithing they just stuck a lump of
> clay around the end of
> the blow tube that went into the fire. This leaves
> quite a characteristic
> object, which I think has been found several times.
> The side away from the
> fire is not fired all the way and the unfired part
> just isn't there, leached
> away. The side towards the fire on the other hand is
> severly burned, and in
> fact vitrified by the contact with ash at high
> temperature. Bronze Age
> tuyères are much more nicely made. David Liversage.
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