The diffusion of oxygen through stored coal /

Includes bibliographical references and index.Mode of access: Internet

New views of the combustion of the volatile matter in coal /

Includes bibliographical references.Mode of access: Internet

Investigation of dust in the air of granite-working plants /

"February 1921."Mode of access: Internet

The tars distilled from bituminous coal in hand-fired furnaces /

Includes bibliographical references.Mode of access: Internet

Use of a type N miners' gas mask /

At head of title: ... Department of Commerce, Bureau of Mines.Mode of access: Internet

Effects of moisture on the spontaneous heating of stored coal /

Includes bibliographical references.Mode of access: Internet

Use of stenches as a warning in mines /

Includes bibliographical references.Mode of access: Internet

Use of the miners' self-rescuer /

At head of title: ... Department of Commerce. Herbert Hoover, secretary. Bureau of Mines. Scott Turner, director.Mode of access: Internet

Tests of gas masks and respirators for protection from locomotive smoke in railroad tunnels with analyses of tunnel atmospheres /

Includes bibliographic references.Mode of access: Internet

Intensities of odors and irritating effects of warning agents for inflammable and poisonous gases /

Mode of access: Internet