displaying 1 - 2 results in total 2
Bradburn, R. A.; Bowser, M. L.
view article (1.0)Minature Bilevel Alarm for Oxygen-Deficient Atmospheres.Bureau of Mines, Pittsburgh, PARI 7165RI 7165
August 1968
19 p.Stateham, R. M.; Bowser, M. L.
view article (1.0)Using handheld Infrared Imagers to Locate Miners in Smoke-Filled Mine Openings.Bureau of Mines, Denver, CO; Bureau of Mines, Pittsburgh, PATPR 87TPR 87
February 1975
13 p.