Part from a film titled 'Safety Lessons In Metal Mining' by the U.S. Bureau of Mines. Shows workers entering through the gates inside Zinc plant of the New Jersey Zinc Co. in Franklin, N.J. at the start of a shift.
Zinc miners dressed in mining clothes enter inside shaft station of the zinc mine in Franklin, New Jersey. Acetylene mine lamps mounted on their heads.
The hoisting engineer of the zinc mine in Franklin,New Jersey drops due to sickness.Automatic device raises link to dead center, throttle is stopped and brakes get applied.Elevator-car comes to rest.
A stope at the zinc mine in Franklin,New Jersey. A stoper reverses the danger sign and descends down a stope .He examines integrity of the stope. Stoper places wood-log as a support for the stope's back under supervision of shift boss.
Drilling operations at zinc mine in Franklin,New Jersey. Shift boss marks with lamp the places where holes have to be drilled. Drill machine falls on foot of the drill-operator after the drill breaks. The shift boss shows proper drilling techniques to the driller.
Rescue squad uses stretcher to carry the injured miner out of stope at Zinc mine in Franklin,New Jersey.Stretcher squad emerges out of the stope through ladder.Squad arrives at shaft station and ascends to upper level in a elevator-car. Squad reaches top level and the injured miner is removed from the car.