Work that takes place in a slate quarry. Views of the quarry. Various shots of men at work. We see them drilling holes in a rock face and placing gun powder inside the hole. Ballast follows it. The fuse is lit. Blasting takes place. Small explosion. Men climb down into the quarry...
An item about the world's largest slate quarry at Port Dinorwic in Wales.
Cuts (rushes, out takes) for stories featured in CP 392.
Out takes (rushes, cuts) for stories featured in CP 506.
View of slate quarry in Wales - new techniques for making bricks from slate rubble.
Men working in Scottish slate quarry.
Duke of Edinburgh visits Dinorwic Slate Quarry, North Wales.
Educational film showing how slate is quarried and used for roofing.