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James Ashworth
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Stand Alone
![Safety Lamps and Colliery Explosions [microform]](/_next/image?url=https%3A%2F%2Fstorage.googleapis.com%2Fmenrva_img_storage%2Fcovers%2F9780665717185_7443cb30.jpg&w=3840&q=80)
![Safety Lamps and Colliery Explosions [microform]](/_next/image?url=https%3A%2F%2Fstorage.googleapis.com%2Fmenrva_img_storage%2Fcovers%2F9781015006140_c157ac3e.jpg&w=3840&q=80)