Disgrifiad
Pembrokeshire Slate Industry: Colour slides and black/white map illustrations of Porthgain Slate Quarry, harbour and route of Abereiddy/Porthgain railway and site of Henllys Slate Quarry. Collected or produced by former Royal Commissioner D.G.Tucker and his wife, Mary. Some of the material appears in an illustrated contribution 'The Slate Industry of Pembrokeshire and its Borders' published in the 'Industrial Archaeology Review', Vol. III, Number 3, Summer 1979.