But the most instantaneous and catastrophic loss of life was caused by explosions due to miner’s lamps igniting methane gas. 20th c. Canvas Mining Cap & Lamp Bracket Before 1850, miners would use ...
But the most instantaneous and catastrophic loss of life was caused by explosions due to miner’s lamps igniting methane gas. 20th c. Canvas Mining Cap & Lamp Bracket Before 1850, miners would use ...
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