Tag Archives: Dirty

Dirty, dark, dangerous: coal miners’ nystagmus

Ronald Fishman Chicago, Illinois, United States   A coal miner without a headlamp digging an undercut at the coal face, using only the dim light supplied by a small flame lamp. From Snell 12 It’s dark as a dungeon and damp as the dew, Where the danger is double and pleasures are few Where the rain […]