Certainly the most common and versatile astronomical instrument on the time period was the astrolabe, a two-dimensional representation from the evening sky. The origins with the instrument at the moment are lost, but an anecdote with the medieval period playfully indicates that, whilst Using on a donkey someday, Ptolemy dropped https://safetydevice20639.theisblog.com/29065593/how-amazing-home-gadgets-can-save-you-time-stress-and-money