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Amgueddfa Cymru – Museum Wales
This bound essay under the title 'The Origin and Growth of the Slate Industry in Caernarvonshire' was prepared by Ann Jones who presented this research as part of her studies when she attended a Teacher Training course at Bolton, Lancashire (exact dates not recorded). Her full name was Ann Emlyn Jones (1923-1999) and was originally from Fachwen, Dinorwig, Gwynedd.
