| | History of Physics (Site not responding. Last check: 2007-10-09) |
 | | This tradition was carefully preserved in Vienna, being magnificently developed there throughout the fifteenth century, and paving the way for Georg Purbach (1423-61) and his disciple Johann Müller of Königsberg, surnamed Regiomontanus (1436-76). |
 | | In 1824 Poisson established on the subject of hollow conductors limited either interiorly or exteriorly by a spherical cavity, theorems which, in 1828, were extended by George Green (1793-1841) to all kinds of hollow conductors and which Faraday was subsequently to confirm through experimentation. |
 | | Between 1813 and 1824 Poisson took up the study of magnetic forces and magnetization by impulsion and, in spite of a few inaccuracies which the future was to correct, the formulæ which he established remain at the basis of all the research of which magnetism has meanwhile been the object. |
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