circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe. With an astrolabe in my hands, I can tell the time, do a bit of surveying, work out my ...

[Uri] has another video that goes over astrolabe basics and his design process that’s well worth watching too. While it’s nowhere near as complicated an instrument, this astrolabe puts us in ...

circular brass instrument that looks a bit like a large brass pocket watch, and it's called an astrolabe. With an astrolabe in my hands, I can tell the time, do a bit of surveying, work out my ...