Abstract
May 8, 1654.—One of the most striking demonstrations in physical science made during the seventeenth century was that of Otto von Guericke, who on May 8, 1654, before the assembled princes at Ratisbon, showed his great experiment with the big Magdeburg hemispheres which, when exhausted of air, could not be pulled asunder by sixteen horses.
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S., E. Calendar of Discovery and Invention. Nature 119, 689 (1927). https://doi.org/10.1038/119689a0
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DOI: https://doi.org/10.1038/119689a0