Air Curtain Respiratory Protection Device. Final Report.
NTIS: PB/236-090 Available for Reference At Bureau Libraries :116 pages
This final report summarizes the prototype development and testing of an air curtain respiratory protective device under Contract No. H0122087. The air curtain respiratory protective device, as part of a miner's hat, provides protection for the underground mining machine operator against inhalation of dangerous amounts of respirable coal dust.
CP; Final Contract Report;
NTIS Accession No.
NTIS: PB/236-090; Available for Reference At Bureau Libraries
Donaldson Company Inc.