15,000 TONS AT ONE BLAST! New explosive used for first time in Scottish quarry. Granite?
Gen. view pan of quarry. Gen. view looking down quarry. Gen. view explosive in wheelbarrow. Gen. view entrance to rockface. Semi view men wheeling explosive into rockface entrance. Semi view (2) explosive being carried to position. Semi top given view men preparing detonator. Semi view switch turned. Gen. top view face of cliff blown away. Semi view men watching. Long view explosion (repeat)
Background: 15,000 TONS AT ONE BLAST! New explosive used for first time in Scottish quarry. Granite hillside shattered.
Scotland; Inventions; explosions; Great Britain