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Authors
Author
Irving Hartmann
Books
Experiments on Strength of Small Pillars of Coal in the Pittsburgh Bed
Harold Putnam Greenwald, Irving Hartmann, Henry C. Howarth
Characteristics of Fuel Pitches and Their Explosibility in Pulverized Form
Harold Putnam Greenwald, Irving Hartmann, Henry C. Howarth
Liquid Carbon Dioxide Used to Extinguish a Gob Fire in a German Coal Mine
Irving Hartmann, George Samuel Rice
Frictional Ignition of Gas by Mining Machines
Irving Hartmann
Effect of Relief Vents on Reduction of Pressures Developed by Dust Explosions
Irving Hartmann
Ignition of Coal Dust by Permissible Explosives
Irving Hartmann
