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The effect of stemming on the efficiency of explosives

Magazines and thaw houses for explosives

Investigations of fuse and miners' squibs

Permissible explosives tested prior to March 1, 1913

Production of explosives in the United States during the calendar year 1913

Production of explosives in the United States during the calendar year 1912

Permissible explosives tested prior to January 1, 1914

Permissible explosives tested prior to March 1, 1915

Production of explosives in the United States during the calendar year 1914 :with notes on coal mine accidents due to explosives

Production of explosives in the United States during the calendar year 1915 :with notes on coal-mine accidents due to explosives and a list of permissible explosives, lamps and motors tested prior to May 1, 1916

Permissible explosives :tested prior to January 1, 1917

Production of explosives in the United States during the calendar year 1917 :with notes on coal-mine accidents due to explosives and a list of permissible explosives tested to April 30, 1918

Sensitiveness of explosives to frictional impact

Production of explosives in the United States during the calendar year 1918 :with notes on coal-mine accidents due to explosives and a list of permissible explosives tested to March 31, 1919


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