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Election Of Barricades During Mine Fires or Explosions
Miner's Circular 25
Department Of The Interior
Election Of Barricades During Mine Fires Or After Explosions
by J.W.Paul, B.O.Pickard, and M.W.Von Bernewitz.
Contents:
Gases found in mines. Natural air, Nitrogen, Oxygen, Methane, Afterdamp, Black damp, Carbon monoxide.
Changes in a mine atmosphere during a fire or explosion.
Life-sustaining capacity of barricaded chamber.
Barricades in coal mines. San Bois No.2 (McCurtain) mine.
Eccles No.5 mine.
West Kentucky No.7 mine.
Delagua mine.
and more. Has slight soiling on cover. Overall Very Good Condition!
Item # : 119086
Box # : 6540
Shipping From: Pittsburgh, PA 15219
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