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Industrial Gas Masks Abroad

Coal-mine Fatalities in September, 1923

Explosives Used in December, 1923

Coal-mine Fatalities in February, 1923

Investigation of Dust in the Air of Granite-working Plants

Intensities of Odors and Irritating Effects of Warning Agents for Inflammable and Poisonous Gases

Consumption of Explosives in September, 1926

Hazard of Unsafe Types of Gas Masks

Warning Agents for Fuel Gases, by A.C. Fieldner, R.R. Sayers, W.P. Yant, S.H. Katz, J.B. Shohan, and R.D. Leitch

Consumption of Explosives in September, 1925