Disgrifiad
Colour slides showing views of Llechwedd Quarries, Porthmadoc Foundry, Porthmadoc Harbour, Tremadoc Market Hall, Penrhyn Quarries and Penrhyn Port. Images taken between 1970-1979. This sheet includes 6 commercial slides of 'Ceudwll Llechwedd Slate Caverns' and 'The Harbour, Portmadoc'.
