Search U.S. government technical reports digitized or harvested by TRAIL.
Inflammable gases produced by thermal decomposition of plastic insulators in an electric arc
Bureau of Mines midget impinger for dust sampling
Technique for routine use of the konimeter
Dust sampling with the Bureau of Mines midget impinger :using a new hand-operated pump
Efficiency of impingers for collecting lead dusts and fumes
Relation of dust concentration to depth of hole during wet drilling