Definitely the most common and versatile astronomical instrument in the period was the astrolabe, a two-dimensional representation with the night sky. The origins of the instrument at the moment are lost, but an anecdote from your medieval period playfully implies that, while riding on a donkey someday, Ptolemy dropped an https://findmydevice89753.loginblogin.com/35450642/not-known-details-about-cool-gadgets-under-10