As men were working under pressures of up to 4 times normal air pressure, a decompression period of almost 2 hours was needed at the end of each shift to avoid the bends.
The plot soon expands to involve a psychic researcher and his favourite medium, a group of treasure hunters seeking a sunken treasure, counterfeit golden guinea coins, a man with blue skin (argyria), a gangster named Charles Lamb, a second murder by "the bends", and a murder scene with a set of neat footprints marching across the ceiling.
sleeping sickness | Spinal decompression | Sleeping Sickness | Jamaican Vomiting Sickness | Jamaican vomiting sickness | Decompression sickness | Bone Sickness | Altitude sickness | altitude sickness | Symphonies of Sickness | Sleeping sickness | Motion sickness | Microvascular decompression | Chronic mountain sickness | Bühlmann decompression algorithm | African horse sickness |