Otto von Guericke, “Experimenta Nova...” (New Magdeburg Experiments)
Illustration showing experiment of the Magdeburg hemispheres in which horses could not pull apart the vacuum created within the hemispheres. Watson Collection, History of Science.
Materials from the Caltech Archives are made available online for research purposes. Permission for reproduction, distribution, public display, performance, or publication must be obtained in writing from the Head of Archives. The Caltech Archives makes no representation that it is the copyright owner in all of its holdings. It is the responsibility of the user to obtain all necessary rights and clearances for use of materials. For questions, contact Head of Archives.