Search U.S. government technical reports digitized or harvested by TRAIL.
Use of stenches as a warning in mines
Stench warnings in metal mines
Analyses of Air from Burning Buildings
Permeation of oxygen breathing apparatus by gases and vapors
Determination of suspended matter in gases by collection on filter paper
Carbon Tetrachloride Extinguisher of Electric Fires
Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus