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The Celestial Globe-Southern Hemisphere, 1515. Creator: Albrecht DurerThe Celestial Globe-Southern Hemisphere, 1515
The World in Hemispheres, 1902. Creator: UnknownThe World in Hemispheres, 1902. Eastern and Western Hemispheres, and below, comparative view of the principal mountains with heights in feet. From The Century Atlas of the World
Otto von Guericke, German inventor, engineer and physicist, 1672. Portrait from his Eperimenta Nova, ut vocant, Magdeburgica, de vacuo Spatio (New Magdeburgian Experiments, as they are called)
Title page of Experimenta Nova, ut vocant, Magdeburgica, de vacuo Spatio, (Amsterdam, 1672). New Magdeburgian Experiments, as they are called, relating to a Vacuum) by Otto von Guericke (1606-1686)
Von Guerickes demonstration of the strength of air pressure, 1672. In the mid 17th century Otto von Guericke used an air-pump to remove the air from between two large close-fitting copper