'Dr. Clanny's lamp of 1813 was designed so these workers wouldn't ignite gases & blow themselves up'
miners
LAMPS: Dr. Clannys lamp of 1813 was designed so these workers wouldnt ignite gases & blow themselves up
Dr. Clanny's lamp of 1813 was designed so these workers wouldn't ignite gases & blow themselves up
Dr. Clanny's lamp of 1813 was designed so these workers wouldn't ignite gases & blow themselves up
LAMPS
miners
LAMPS