This is an
edited version of a detailed essay by local historian Mr Len
Ley. The full version is available on request at Ystradgynlais
Branch Library.
The site of
Ynyscedwyn
Iron Works
Beginnings Iron-making has a long history in the area and is
said to go back to the beginning of the 17th century. Theophilus
Jones records that a piece of iron, stamped 1612, was found 26
years later in an old cinder bed at Ynyscedwyn. If this is so
then it is likely that metal was smelted here in the reign of
Elizabeth 1. The first recorded evidence shows that a Mr Brunton
of London constructed a furnace at Ynyscedwyn in 1628. Later,
Richard Crowley leased the works and built a furnace which later
fell into ruin. By 1711 Ambrose Crowley and John Hanbury were
occupiers of the site.
In 1717 the works were
producing about 200 tons of pig iron per annum using local ore,
limestone from the Cribarth, and smelting with charcoal transported
by horse and pannier from any accessible source. This restricted
production to the available means of haulage. In 1750 the
Ynyscedwyn furnace was one of seven in South Wales.
The Ynyscedwyn
works marked on the plans of the Swansea Canal Company 1794.
Powys County Archives B/QS/
In October 1788 James
Gough of Ynyscedwyn and John Woodhouse of Aymestrey in Herefordshire,
leased the site to Richard Parsons, an Iron Master of Cadoxton,
and Rees Williams of the same parish. The lease included the
dwelling house called Ty Coch; the water rights on the River
Twrch to power the water wheels and engines of the furnaces;
and the working of minerals on Mr Gough's land within certain
restrictions.
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