This is an astrolabe. They were used by early explorers and still used today to tell time, or latitude and longitude. You look through the straw at the sun and see where the string is.
One thought on “Astrolabes”
Nice job, Isaac! Maybe you could use one instead of a GPS?! 🙂 ~ Mrs. Walters
Nice job, Isaac! Maybe you could use one instead of a GPS?! 🙂 ~ Mrs. Walters