'The Second Explosion at the Oaks Colliery, Barnsley', December 1866.
© Science Museum / Science & Society Picture Library
Engraving taken from the 'Illustrated London News'. The day after an explosion underground at the Oaks Colliery, in which 334 people died, a second explosion occured, also caused by a build-up of gas in the mine. The rescue party of miners, engineers and employers, sent to save the victims of the first explosion, were killed. After a series of further explosions the decision was made to seal the mine to prevent further fatalities. The total los of life was 361.