Calamine (mineral) enough was known of metallic zinc to make brass solder directly by combining copper and spelter (zinc ingots). In 1738 a patent was granted to William Champion, a Bristol brass founder, for the large-scale reduction of calamine to produce spelter. In 1684 a paper presented to the Royal Society touched on the medicinal and veterinary properties of the compound when in finely powdered form. Calamine (mineral) Calamine is a historic name for an ore of zinc. The name "calamine" was derived from "lapis calaminaris", a Latin corruption of Greek "cadmia (καδμία)", the old name for zinc ores in general. The
Extracted Extracted Extracted, also known as Extraction in the UK, is an independent 2012 American science fiction thriller directed and written by Nir Paniry. Sasha Roiz stars as a scientist whose consciousness becomes trapped in the mind of a convict (Dominic Bogart) who volunteered to be a part of an experimental procedure. Tom, a scientist, invents a machine that can insert a person into the subconscious mind of another person. Desperate for funding to complete his prototype, he is forced to accept money from an anonymous investor. When the investor threatens to pull out, Tom reluctantly agrees to a demonstration a