Rhif Cyf AmgPN/I/3183-3312
TeitlThe Penrhyn Mawr Colliery
DisgrifiadThese papers include reports on the mine by colliery engineers, a few plans of the workings, inventories and valuations of machinery and plant etc.
Dyddiad1810-1847
Extent129 papers
AdminHistoryPapers relating to another of the Marquess' industrial enterprises. A lease of this colliery, which is situated on the edge of the Malltraeth Marsh in the parish of Llanfihangel esceifiog, was granted in 1831 to a company of adventurers headed by one Thomas Hughes of Rhos y medre, denbighshire. As these papers show, the company worked it - rather inefficiently and wastefully it seems - until 1846 when they were ejected on the grounds of damages inflicted to the Marquess' property, wasteful and erratic working of the mine, and non-payment of royalties.
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