Compressed Air Magazine, Vol. 26: June, 1921 (Classic Reprint)

Excerpt from Compressed Air Magazine, Vol. 26: June, 1921

This self-incapacitating of a liquid-oxygen explosive has its drawbacks, for it makes it imperative that the work of charging a hole be done rapidly. Even then, the miner must be sufficiently expert to place all his charges, connect the fuses or detonators, and reach a place of security within an interval of ten to fifteen minutes. How quickly the miner has to work can be grasped by the following de tails.

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