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Early works to 1850 6 Electricity Experiments 2 Magnetism 2 Divining-rod 1 Early works to 1800 1 Electromagnetism 1 more ...
Early works to 1850 6 Electricity Experiments 2 Magnetism 2 Divining-rod 1 Early works to 1800 1 Electromagnetism 1 more ...
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