Harold Putnam Greenwald

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Books

Characteristics of Fuel Pitches and Their Explosibility in Pulverized Form

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

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

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

Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content

Clarence Watson Owings, Walter Alfred Selvig, Harold Putnam Greenwald

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