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This is the founding technical work for electricity and magnetism from 1600 AD. It was translated from the original Latin in the late 1800s. The translation here is widely regarded as the most stunning. Only 250 copies of this book were made. It is truly a great read, but you must read it slowly, soaking in the depth and scope of William Gibert, physician to the King, but the great founder of the science of electro-magnetism. He strongly urged the distinction between "amber" attraction and "lodestone" attraction.
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