Browse TRAIL Inventories

Use of stenches as a warning in mines

Stench warnings in metal mines

Permeation of oxygen breathing apparatus by gases and vapors

Investigation of dust in the air of granite-working plants

Determination of suspended matter in gases by collection on filter paper

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

The carbon monoxide self-rescuer

Industrial gas masks abroad


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