James
The extracts you found probably all relate to coke fired hot blast
furnaces. I am sure the ones from Hashing Mashing and Bashing do. Charcoal
furnaces will probably have less carbonitrides and more problems with the
slag.
It sounds like you have found a very troubled ironworks site. No wonder
they went away after one campaign. What you have there seems to be a bad
case of the problems referred to in the 1985 extract. If they were using a
furnace with an open forepart some of this may have been cleaned out from
the hearth.
The implication from the Turner extract is that you need to know what you
are doing if you are to smelt titaniferous ore. It sounds like they didn't.
Peter Hutchison.
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