Alchemy dating

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While alchemists in different cultures had different beliefs, one of the central themes to European alchemy was the belief that the correct combination of mercury and other ingredients would yield riches of gold.The Roman emperor Diocletian (245-313) issued an edict in the late 3rd century calling for the destruction of all written works dealing with alchemy.The warders were among the first to recognize that there was a high likelihood that the prisoners would become poisoned and spare the keepers the need for formal executions.Mercury is primarily a neurological poison, causing tremors, extreme mood changes, and eventually loss of hearing and restricted vision.In 2nd century China, the study of mercury centered on a search for an elixir of life to confer longevity or immortality.The prominent Chinese alchemist Ko Hung, who lived in the 4th century, believed that man is what he eats, and so by eating gold he could attain perfection.Indeed, the treatment appeared to benefit some patients.

On December 1, 1941 the United States Public Health Service banned the use of mercury in the felt industry in this country.Certain forms of mercury poisoning also cause damage to the liver and kidneys.The life span of a worker in those mines was tragically brief.Danbury Hat Factory Eventually the use of solutions of mercuric nitrate was widespread in the felt industry, and mercury poisoning became endemic.Danbury, Connecticut, an important center of America's hat-making industry until men's hats went out of fashion in the 1960s, developed its own reputation for madness.

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