Title: Otto von Guericke's 410th BirthdayDate: Nov 20, 2012
Location: Austria, Germany
Tags: horses, etching, tree, Sciences, Birthday, vacuum
History:
Title : Google Doodle Otto von Guericke's 410th Birthday
Description : Title: Otto von Guericke's 410th Birthday Date: Nov 20, 2012 Location: Austria, Germany Tags: horses, etching, tree, Sci...