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| Jovilabe in Museo Galileo Florence - Credit Pascal Hilkens |
When visiting the Museo Galileo, located in Florence @ Piazza dei Giudici, my eye fell on a brass instrument, called a Jovilabe. This really amazing (wow) scientific instrument is an "analoge calculator" to 1) determine the positions of the 4 moons of Jupiter and 2) determine the position of Jupiter and Earth around the Sun (annual paralax).
The instrument can be compared with current graphical diagrams of the moons of Jupiter.
The brass instrument was used by Galileo Galilei and probably based on his observations and calculations. More information can be found via this link.
You must see this interesting video which explains how a Jovilabe functions - see this link.
