1) Metal is founded when it is melted and run into a mould.
The first reference evidence is in an undated York document, probably of 1398. It is written mostly in French and is effectively a list of the ordinances of the guild of founders
that is la artifice de foundourcraft: one item has to do with smeltyng de lourmetall. The occupational term is not uncommon in York: 1457-8 Johanni Johnson de Ebor, funder
1472 Rollandus Falowfeyld, foundour, York
1493 William Wynter, founderer, York and it occurs later in Sheffield: 1587 the foundere his wages, Wadsley furnace
1751 Thomas Houden founder, Sheffield.