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| Keywords: Galileo-lodestone-150-768x835.png lodestone is hanging supporting an iron weight in the shape of a sarcophagus coffin belonging to the Italian scientist Galileo Galilei The iron sarcophagus weighs 15 pounds the lodestone only 6 ounces For 400 years the lodestone has held up the weight without losing its strength http //www marcdatabase com/~lemur/lemur com/gallery-of-antiquarian-technology/philosophical-instruments/galileo-singer/ 1921 Charles Singer Instruments by Galileo Galilei Lodestones PD-old | ||||
