1src: https://digitalarchive.tpl.ca/internal/media/dispatcher/2102244/fullThe knowledge of the heavens and the earth made easy, or, The first principles of astronomy and geography : explain'd by the use of globes and maps with a solution of the common problems by a plain scale and compasses as well as by the globe : written several years since for the use of learners1745Brackstone, J. (James)37131009567934D7684941329616