By far the most common and versatile astronomical instrument with the period was the astrolabe, a two-dimensional representation of your night time sky. The origins on the instrument are actually lost, but an anecdote through the medieval interval playfully indicates that, when Driving over a donkey at some point, Ptolemy https://fernandobytna.blogdiloz.com/28329773/5-tips-about-steering-wheel-safety-lock-you-can-use-today