The history of mine lighting, from carbide lamps to today's electrical lighting is detailed.
U.S. Department of Labor/Mine Safety and Health Administration (MSHA), 1100 Wilson Blvd., 21st Fl., Arlington, VA 22209-3939, Phone: (202)693-9400, Fax: (202)693-9401
Available on VHS
Running time 15 minutes.
Copyright © 2019 Net Industries - All Rights Reserved