Extinguishers for Underground Electrical Fires

Issue 19 and Volume 72.

Extinguishers for Underground Electrical Fires At the Pittsburgh, Pa., Experiment Station of the United States Bureau of Mines an investigation has been undertaken for the purpose of determining if poisonous gases are produced when carbon tetrachloride fire extinguishers are applied to electric arcs and burning electrical insulation. The experimental work is being done for the purpose of obtaining data for the inclusions of a report on this subject to the New York Rapid Transit Commission. S. H. Kitz, assistant physical chemist, and J. J. Bloomfield, junior physical chemist, arc doing the research work.

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