BLASTING BY LIQUID AIR.
Liquid air, which -was first produced in Great Britain, as a result of the derful experiments* of Sir /James Dewar—has now become a commercial product. Some experiments of a most successful kind were carried out irecently by a British company in the use of liquid air as an explosive. A paper cartridge filled with a material rich in carbon was used, after having been soaked for a quarter of an hour in liquid air containing eight parts in ten of oxygen. Cartridges of this type were charged into the holes to be blasted, and were fired by means of an electric spark. The combination of the oxygen with the carbonaceous material created a sudden and enormous volume of gas with a strongly explosive effect.
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Bibliographic details
Waipa Post, Volume XX, Issue 1150, 4 October 1921, Page 2
Word Count
128BLASTING BY LIQUID AIR. Waipa Post, Volume XX, Issue 1150, 4 October 1921, Page 2
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