Ironmine

1716. Do you work any ironmine? — I work a little; not much; I work a little mine with the coals that I am working in Glamorganshire. 1717. Your workings of ironmine are unimportant? — Yes; I have no ironmines ; I have ironmines in my coal works which I have leased, and can work to a large extent in different works.

On the Discovery of an Ancient Ironmine in Cliviger, and Some Further Remarks on the Remains of Old Bloomaries in the Neighbourhood of Todmorden

There were three special attractions — an ironmine, an ostrich (which eats brass and iron to help its digestion !), and a leopard, the latter a compliment to the Lord Mayor, whose arms bore three leopards' heads, and whose crest was a leopard.