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Authors
Author
Harold Putnam Greenwald
Books
Experiments on Strength of Small Pillars of Coal in the Pittsburgh Bed
Harold Putnam Greenwald, Irving Hartmann, Henry C. Howarth
Coal-dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive
Harold Putnam Greenwald, George Samuel Rice, Lewis M. Jones, Willard Leo Egy
Characteristics of Fuel Pitches and Their Explosibility in Pulverized Form
Harold Putnam Greenwald, Irving Hartmann, Henry C. Howarth
Coal-dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive
Harold Putnam Greenwald, George Samuel Rice, Lewis M. Jones, Willard Leo Egy
Coal-dust Explosions in Mines Caused by Direct Electrical Ignition
Harold Putnam Greenwald, George Samuel Rice, Henry C. Howarth
Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content
Clarence Watson Owings, Walter Alfred Selvig, Harold Putnam Greenwald
