Onllwyn Ironworks
From Graces Guide
near Glynneath
Onllwyn Ironworks had two blast furnaces, calcining kilns, a smithy and an ironworks shop. Production ended before 1878. The site was eventually cleared.[1]
The isolated works were served by the River Dulais and by an extensive system of tramroads. A tramroad also served the small community nearby (two rows of cottages). In addition to pig iron, iron castings were produced using patterns made on site[2]. This source, and the Coflein entry, include a paln showing the tramroads, houses,quarries, etc.
See Also
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Sources of Information
[[Category: Iron Works]